Python program to calculate the sum of elements in a list

Hello everyone, I am back to discuss a new Python program. Here we learn how to sum all the elements in a list quite easily. We use a predefined function called sum() and apply it to the list, the function returns the sum of all the elements in a list. So lets calculate the sum of elements in a list.

Are you looking for someone who could help with python assignment online? Delegate your Python homework to AssignmentCore whose experts will do your Python project of any complexity.

Pro Programming Tip: Migrate your software development/testing environment into the hassle-free cloud with high-performance Citrix XenDesktop at an affordable XenDesktop pricing from CloudDesktopOnline and remotely access your preferred programming tools such as emulators and IDE`s on your preferred device(PC/Mac/Linux/Android/iOS). Learn more about MS Azure and managed Azure services by visiting Apps4Rent.

Program on GitHub

Video :

You can also watch the video on YouTube here

Task :

To find the sum of all the elements in a list.

Approach :

• Read the input number asking for the length of the list using input() or raw_input().
• Initialize an empty list lst = [].
• Read each number using a for loop.
• In the for loop append each number to the list.
• Now we use a predefined function sum() to find the sum of all the elements in a list.
• Print the result.

Program on GitHub

Program :

lst = []
num = int(input('How many numbers: '))
for n in range(num):
    numbers = int(input('Enter number '))
    lst.append(numbers)
print("Sum of elements in given list is :", sum(lst))

Output :

Program on Github

That’s how we can calculate the sum of elements in a list.