Problem


#1

Your challenge here is to write a function, sum_each_column(list_1). You input an 2d list and the program should calculate the sum of each column in the list. The result should be stored in a new list. For example your input is list_sum([[1,1],[1,2]]), your program should return [2, 3].

How to solve???


#2

That is not how it works, we can help you solve the problem, but don’t expect us to solve it


#3

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