Learn Intermediate Python 3/

...

/

Solution Review: A Sum of Zero

Solution Review: A Sum of Zero

Review the solution for the "A Sum of Zero" exercise.

We'll cover the following...

Solution

Let’s explore the solution to the problem of A Sum of Zero.

Press + to interact
Python 3.10.4
def check_sum(num_list):
    for first_num in range(len(num_list)):
        for second_num in range(first_num + 1, len(num_list)):
            if num_list[first_num] + num_list[second_num] == 0:
                return True
    return False
num_list = [10, -14, 26, 5, -3, 13, -5]
print(check_sum(num_list))

Explanation

Here’s a line-by-line explanation of the code for the A Sum of Zero problem:

  • Line 1: Defines the function check_sum ...