Python là một trong những ngôn ngữ dễ học và sử dụng nhất, đồng thời rất mạnh mẽ. Python là một trình thông dịch có mục đích chung, tương tác, hướng đối tượng và cấp caongôn ngữ lập trình.
ngôn ngữ lập trình.
Con trăn
In Python 2
>>> age = raw_input["How old are you ? :"]
How old are you ? : 30 # entered data is treated as string even without ''
>>> print age
'30'
>>> age = raw_input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string including ''
>>> print age
"'30'"
1 In Python 2
>>> age = raw_input["How old are you ? :"]
How old are you ? : 30 # entered data is treated as string even without ''
>>> print age
'30'
>>> age = raw_input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string including ''
>>> print age
"'30'"
2 In Python 2
>>> age = raw_input["How old are you ? :"]
How old are you ? : 30 # entered data is treated as string even without ''
>>> print age
'30'
>>> age = raw_input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string including ''
>>> print age
"'30'"
3 In Python 2
>>> age = raw_input["How old are you ? :"]
How old are you ? : 30 # entered data is treated as string even without ''
>>> print age
'30'
>>> age = raw_input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string including ''
>>> print age
"'30'"
2- Đọc đầu vào từ bàn phím cho Python 2
- Đọc đầu vào từ bàn phím cho Python 3
- Cách chuyển đổi giá trị chuỗi thành giá trị nguyên
- Cách tính diện tích hình tròn
In Python 2
>>> age = raw_input["How old are you ? :"]
How old are you ? : 30 # entered data is treated as string even without ''
>>> print age
'30'
>>> age = raw_input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string including ''
>>> print age
"'30'"
5 In Python 2
>>> age = raw_input["How old are you ? :"]
How old are you ? : 30 # entered data is treated as string even without ''
>>> print age
'30'
>>> age = raw_input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string including ''
>>> print age
"'30'"
6 In Python 2
>>> age = raw_input["How old are you ? :"]
How old are you ? : 30 # entered data is treated as string even without ''
>>> print age
'30'
>>> age = raw_input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string including ''
>>> print age
"'30'"
7 In Python 2
>>> age = raw_input["How old are you ? :"]
How old are you ? : 30 # entered data is treated as string even without ''
>>> print age
'30'
>>> age = raw_input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string including ''
>>> print age
"'30'"
8 In Python 2
>>> age = raw_input["How old are you ? :"]
How old are you ? : 30 # entered data is treated as string even without ''
>>> print age
'30'
>>> age = raw_input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string including ''
>>> print age
"'30'"
9 In Python 3
>>> age = input["How old are you ? :"]
How old are you ? : 30
>>> print[age]
'30'
>>> age = input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string with or without ''
>>> print[age]
"'30'"
>>> age = raw_input["How old are you ? :"] # will result NameError
Traceback [most recent call last]:
File "", line 1, in
NameError: name 'raw_input' is not defined
0 In Python 3
>>> age = input["How old are you ? :"]
How old are you ? : 30
>>> print[age]
'30'
>>> age = input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string with or without ''
>>> print[age]
"'30'"
>>> age = raw_input["How old are you ? :"] # will result NameError
Traceback [most recent call last]:
File "", line 1, in
NameError: name 'raw_input' is not defined
1 In Python 3
>>> age = input["How old are you ? :"]
How old are you ? : 30
>>> print[age]
'30'
>>> age = input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string with or without ''
>>> print[age]
"'30'"
>>> age = raw_input["How old are you ? :"] # will result NameError
Traceback [most recent call last]:
File "", line 1, in
NameError: name 'raw_input' is not defined
2 In Python 3
>>> age = input["How old are you ? :"]
How old are you ? : 30
>>> print[age]
'30'
>>> age = input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string with or without ''
>>> print[age]
"'30'"
>>> age = raw_input["How old are you ? :"] # will result NameError
Traceback [most recent call last]:
File "", line 1, in
NameError: name 'raw_input' is not defined
3 In Python 3
>>> age = input["How old are you ? :"]
How old are you ? : 30
>>> print[age]
'30'
>>> age = input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string with or without ''
>>> print[age]
"'30'"
>>> age = raw_input["How old are you ? :"] # will result NameError
Traceback [most recent call last]:
File "", line 1, in
NameError: name 'raw_input' is not defined
4 In Python 3
>>> age = input["How old are you ? :"]
How old are you ? : 30
>>> print[age]
'30'
>>> age = input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string with or without ''
>>> print[age]
"'30'"
>>> age = raw_input["How old are you ? :"] # will result NameError
Traceback [most recent call last]:
File "", line 1, in
NameError: name 'raw_input' is not defined
5 In Python 2
>>> age = raw_input["How old are you ? :"]
How old are you ? : 30 # entered data is treated as string even without ''
>>> print age
'30'
>>> age = raw_input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string including ''
>>> print age
"'30'"
2 In Python 2
>>> age = raw_input["How old are you ? :"]
How old are you ? : 30 # entered data is treated as string even without ''
>>> print age
'30'
>>> age = raw_input["How old are you ? :"]
How old are you ? : '30' # entered data treated as string including ''
>>> print age
"'30'"
2