How to sum the products of a tuple in python?
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View Discussion Show Improve Article Save Article View Discussion Improve Article Save Article Sometimes, while programming, we have a problem in which we might need to perform summation among tuple elements. This is an essential utility as we come across summation operations many times and tuples are immutable and hence required to be dealt with. Let’s discuss certain ways in which this task can be performed. Method #1 : Using list() + sum() The above functions can be combined to perform this task. We can employ sum() to accumulate the result of summation logic. The list() function is used to perform interconversions. Python3
Output : The original tuple is : (7, 8, 9, 1, 10, 7) The summation of tuple elements are : 42 Method #2 : Using map() + sum() + list() The combination of above functions can be used to perform this task. In this, we first convert the tuple to list, flatten it’s each list element using map(), perform summation of each using sum() and again employ sum() for overall summation of the resultant list. Python3
Output : The original tuple is : (7, 8, 9, 1, 10, 7) The summation of tuple elements are : 42 Method #3: Using for loop Python3
Output The original tuple is : (7, 8, 9, 1, 10, 7) The summation of tuple elements are : 42 Sum the elements of a tuple in Python #Use the
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The sum function takes an iterable, sums its items from left to right and returns the total. The function takes the following 2 arguments:
If you need to sum the elements of each tuple in a list, use a list comprehension.
List comprehensions are used to perform some operation for every element, or select a subset of elements that meet a condition. In the example, we iterate over the list and pass each tuple to the The first tuple has a sum of If you need to sum the elements at index N of each tuple in a list, use a generator expression.
Generator expressions are also used to perform some operation for every element or select a subset of elements that meet a condition. On each iteration, we access the tuple element at index The example passes a generator object that contains the numbers How do you sum items in a list in Python?Python provides an inbuilt function sum() which sums up the numbers in the list. Syntax: sum(iterable, start) iterable : iterable can be anything list , tuples or dictionaries , but most importantly it should be numbers. start : this start is added to the sum of numbers in the iterable.
How do you sum two tuples?To add two tuples element-wise:
Use the zip function to get an iterable of tuples with the corresponding items. Use a list comprehension to iterate over the iterable. On each iteration, pass the tuple to the sum() function.
What is sum () sum () in Python?The Python sum() function calculates the total of all numerical values in an iterable. sum() works with both integers and floating-point numbers. The sum() function has an optional parameter to add a number to the total.
How do you print a sum in Python?How to Add Two Numbers in Python. ❮ Previous Next ❯. Example. x = 5. y = 10. print(x + y) Try it Yourself ». Example. x = input("Type a number: ") y = input("Type another number: ") sum = int(x) + int(y) print("The sum is: ", sum) Try it Yourself ». ❮ Previous Next ❯. |
