Hướng dẫn how do you reverse a string in reverse in python? - làm thế nào để bạn đảo ngược một chuỗi ngược lại trong python?


Tìm hiểu làm thế nào để đảo ngược một chuỗi trong Python.

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Không có chức năng tích hợp để đảo ngược một chuỗi trong Python.

Cách nhanh nhất (và dễ nhất?) Là sử dụng một lát cắt lùi, -1.

Thí dụ

Đảo ngược chuỗi "Hello World":

txt = "Hello World" [::-1] in (txt)
print(txt)

Hãy tự mình thử »

Ví dụ giải thích

Chúng tôi có một chuỗi, "Hello World", mà chúng tôi muốn đảo ngược:

Chuỗi để đảo ngược

txt = "Hello World" [::-1] in (txt)"Hello World"[::-1]
print(txt)

Tạo một lát bắt đầu ở cuối chuỗi và di chuyển về phía sau.

Trong ví dụ cụ thể này, câu lệnh SLICE [::-1] có nghĩa là bắt đầu ở cuối chuỗi và kết thúc ở vị trí 0, di chuyển với bước -1, tiêu cực, có nghĩa là một bước lùi.

Lát chuỗi

txt = "Hello World" [::-1] in (txt)[::-1]
print(txt)

Tạo một lát bắt đầu ở cuối chuỗi và di chuyển về phía sau.

Trong ví dụ cụ thể này, câu lệnh SLICE [::-1] có nghĩa là bắt đầu ở cuối chuỗi và kết thúc ở vị trí 0, di chuyển với bước -1, tiêu cực, có nghĩa là một bước lùi.

Lát chuỗi

Bây giờ chúng ta có một chuỗi

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
1 có nội dung "Xin chào thế giới" ngược.
print(txt)



In chuỗi để chứng minh kết quả

In danh sách

Thí dụ

Đảo ngược chuỗi "Hello World":
  return x[::-1]

txt = "Hello World" [::-1] in (txt)

Hãy tự mình thử »

Hãy tự mình thử »

Ví dụ giải thích

Chúng tôi có một chuỗi, "Hello World", mà chúng tôi muốn đảo ngược:

In chuỗi để chứng minh kết quả

In danh sách
  return x[::-1]

txt = "Hello World" [::-1] in (txt)

Hãy tự mình thử »

Ví dụ giải thích

Lát chuỗi

In danh sách
  return x
[::-1]

txt = "Hello World" [::-1] in (txt)

Hãy tự mình thử »

Ví dụ giải thích

Chúng tôi có một chuỗi, "Hello World", mà chúng tôi muốn đảo ngược:

In danh sách
 
return x[::-1]

txt = "Hello World" [::-1] in (txt)

Hãy tự mình thử »

Ví dụ giải thích

Chúng tôi có một chuỗi, "Hello World", mà chúng tôi muốn đảo ngược:

Chuỗi để đảo ngược
  return x[::-1]
mytxt = my_function("I wonder how this text looks like backwards")print(mytxt)

txt = "Hello World" [::-1] in (txt)

Tạo một lát bắt đầu ở cuối chuỗi và di chuyển về phía sau.

In danh sách
  return x[::-1]

txt = "Hello World" [::-1] in (txt)

print(mytxt)



Chức năng để đảo ngược một chuỗi bằng cách chuyển đổi chuỗi thành danh sách sau đó đảo ngược nó và một lần nữa chuyển đổi nó thành chuỗi.reverse()” as done by other python containers like list, hence knowing other methods to reverse string can prove to be useful. This article discusses several ways to achieve it in Python. 

Example:

Input:  Geeksforgeeks
Output: skeegrofskeeG

The original string is : Geeksforgeeks The reversed string(using loops) is : skeegrofskeeG4The original string is : Geeksforgeeks The reversed string(using loops) is : skeegrofskeeG60The original string is : Geeksforgeeks The reversed string(using loops) is : skeegrofskeeG6 The original string is : Geeksforgeeks The reversed string(using stack) is : skeegrofskeeG02The original string is : Geeksforgeeks The reversed string(using loops) is : skeegrofskeeG42

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
91
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
92joins each character in the beginning so as to obtain the reversed string. 

Độ phức tạp về thời gian: o (n) & nbsp; không gian phụ trợ: O (1) & nbsp;
Auxiliary Space: O(1) 

Implementation:

Python3

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
37

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
60
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
05
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
06__70707775

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
0
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
80

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
4

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
7
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
8
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
0

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
4

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
7
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
8
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
0

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
2

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
8
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
0

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
0

Đầu ra

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG

The original string is : Geeksforgeeks The reversed string(using stack) is : skeegrofskeeG5The original string is : Geeksforgeeks The reversed string(using stack) is : skeegrofskeeG6The original string is : Geeksforgeeks The reversed string(using stack) is : skeegrofskeeG7The original string is : Geeksforgeeks The reversed string(using stack) is : skeegrofskeeG8The original string is : Geeksforgeeks The reversed string(using loops) is : skeegrofskeeG6The original string is : Geeksforgeeks The reversed string(using extended slice syntax) is : skeegrofskeeG0

Chuỗi ngược trong python bằng phương thức đảo ngược ()

Độ phức tạp về thời gian: o (n) & nbsp; không gian phụ trợ: o (n) & nbsp;: O(n) 
Auxiliary Space: O(n) 

Implementation:

Python3

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
3

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
55____56
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
9
The original string  is :  Geeksforgeeks
The reversed string(using reversed) is :  skeegrofskeeG
0

The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
3
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
0
The original string  is :  Geeksforgeeks
The reversed string(using reversed) is :  skeegrofskeeG
3

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string  is :  Geeksforgeeks
The reversed string(using reversed) is :  skeegrofskeeG
5
The original string  is :  Geeksforgeeks
The reversed string(using reversed) is :  skeegrofskeeG
0

The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
3
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
0
The original string  is :  Geeksforgeeks
The reversed string(using reversed) is :  skeegrofskeeG
9
The original string  is :  Geeksforgeeks
The reversed string(using reversed) is :  skeegrofskeeG
0
The original string  is :  Geeksforgeeks
The reversed string(using reversed) is :  skeegrofskeeG
1
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
7
The original string  is :  Geeksforgeeks
The reversed string(using reversed) is :  skeegrofskeeG
3
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
9
The original string  is :  Geeksforgeeks
The reversed string(using reversed) is :  skeegrofskeeG
5

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
4

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
7
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
8
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
0

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
2

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6-19
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
8
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
0

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
0

Đầu ra

The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG

Chuỗi ngược trong Python bằng ngăn xếp

Một ngăn xếp trống được tạo ra. Từng một ký tự của chuỗi được đẩy vào ngăn xếp. Từng người một tất cả các ký tự từ ngăn xếp được bật và đặt lại cho một chuỗi. & Nbsp;

Độ phức tạp về thời gian: o (n) & nbsp; không gian phụ trợ: o (n) & nbsp;
Auxiliary Space: O(n) 

Implementation:

Python3

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
2 [::-1]6

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4[::-1]8
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
00

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
0
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
03

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
05

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
0
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
09

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
11

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
14
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
9
The original string  is :  Geeksforgeeks
The reversed string(using reversed) is :  skeegrofskeeG
0

The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
3
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
0
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
21

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
23

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
25

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
27

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
11

The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
3
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
0

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
0
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
35

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
37

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
39
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
42

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4[::-1]8
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
46

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
9
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
0
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
1
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
51
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
9
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
54
The original string  is :  Geeksforgeeks
The reversed string(using reversed) is :  skeegrofskeeG
0
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
56

The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
3
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
58

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
60
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
7

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
9
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
0
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
1
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
51
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
9
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
54
The original string  is :  Geeksforgeeks
The reversed string(using reversed) is :  skeegrofskeeG
0
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
56

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
60
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
7

The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
3
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
60
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
7
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
77

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
4

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6-19
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
8
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
0

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
2

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
94
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
8
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
0

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
0

Đầu ra

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG

Chuỗi ngược trong Python bằng ngăn xếp

Một ngăn xếp trống được tạo ra. Từng một ký tự của chuỗi được đẩy vào ngăn xếp. Từng người một tất cả các ký tự từ ngăn xếp được bật và đặt lại cho một chuỗi. & Nbsp;[start, stop, step], and giving no field as start and stop indicates default to 0 and string length respectively, and “-1” denotes starting from the end and stop at the start, hence reversing a string. 

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
2 [::-1]6: O(n) 
Auxiliary Space: O(1) 

Implementation:

Python3

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
37

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
39
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
42

The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
3
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
60
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
7
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
77

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
4

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6-19
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
8
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
0

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
2

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
25
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
8
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
0

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
0

Đầu ra

The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG

Chuỗi ngược trong Python bằng ngăn xếp

Một ngăn xếp trống được tạo ra. Từng một ký tự của chuỗi được đẩy vào ngăn xếp. Từng người một tất cả các ký tự từ ngăn xếp được bật và đặt lại cho một chuỗi. & Nbsp;

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
2 [::-1]6: O(n) 
Auxiliary Space: O(1) 

Implementation:

Python3

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
37

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
39
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
42

The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
3
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
60
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
7
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
77

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
4

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
7
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
8
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
0

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
2

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
55
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
8
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
0

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6-19
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
8
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using extended slice syntax) is : skeegrofskeeG
0

Đầu ra

The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG

Chuỗi ngược trong Python bằng ngăn xếp

Một ngăn xếp trống được tạo ra. Từng một ký tự của chuỗi được đẩy vào ngăn xếp. Từng người một tất cả các ký tự từ ngăn xếp được bật và đặt lại cho một chuỗi. & Nbsp;

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
2 [::-1]6
Auxiliary Space: O(1) 

Implementation:

Python3

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
37

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
39
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
42

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4[::-1]8
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
46

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
4

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
91
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
92

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
55
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
96

Đầu ra

The original string  is :  Geeksforgeeks
The reversed string(using reversed) is :  skeegrofskeeG

Chuỗi ngược trong Python bằng ngăn xếp

Một ngăn xếp trống được tạo ra. Từng một ký tự của chuỗi được đẩy vào ngăn xếp. Từng người một tất cả các ký tự từ ngăn xếp được bật và đặt lại cho một chuỗi. & Nbsp;

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
2 [::-1]6
Auxiliary Space: O(1) 

Implementation:

Python3

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
37

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
39
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
42

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
05

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4[::-1]8
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
46

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
2
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
4

The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
4
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
9
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
0
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
1
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
51
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using reversed) is : skeegrofskeeG
9
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
54
The original string  is :  Geeksforgeeks
The reversed string(using reversed) is :  skeegrofskeeG
0
The original string is : Geeksforgeeks
The reversed string(using loops) is : skeegrofskeeG
56

The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
5
The original string is : Geeksforgeeks
The reversed string(using stack) is : skeegrofskeeG
6
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
55
The original string is : Geeksforgeeks
The reversed string(using recursion) is : skeegrofskeeG
96

Đầu ra

The original string  is :  Geeksforgeeks
The reversed string(using reversed) is :  skeegrofskeeG


Làm thế nào để bạn đảo ngược văn bản trong Python?

Chúng tôi có một chuỗi, "Hello World", mà chúng tôi muốn đảo ngược:..
Chuỗi để đảo ngược.txt = "Hello World" [::-1] in (txt) ....
Lát chuỗi.txt = "Hello World" [::-1] ....
Lát chuỗi.def my_function (x): ....
Trả về chuỗi.def my_function (x): ....
Gọi chức năng.def my_function (x): ....
In kết quả.def my_function (x):.

Bạn có thể sử dụng Reverse () trên một chuỗi không?

Lớp StringBuilder hoặc StringBuffer có phương thức trong xây dựng () để đảo ngược các ký tự trong chuỗi.Phương pháp này thay thế chuỗi của các ký tự theo thứ tự ngược lại.Phương pháp đảo ngược là phương thức tĩnh có logic để đảo ngược một chuỗi trong Java.. This method replaces the sequence of the characters in reverse order. The reverse method is the static method that has the logic to reverse a string in Java.