in python

Write a sum_columns function that asks the number of rows and number of columns in a matrix, then asks each number in the matrix and returns a list with the sum of each column in the matrix. Entry Two whole numbers that are the number of lines and the number of columns Whole numbers that are elements of the matrix, in total is the multiplication of the first two numbers

Output List with the sum of each column of the matrix

example:

3 1 2 4 5

OUTPUT

11

ex.2

1 4 7 3 4 5

output

[7, 3, 4, 5]

ex. 3

2 2 4 -1 3 6

Output

[7, 5]

ex.4

1 1 3

output

[3]

ex.5

3 4 2 8 6 4 8 2 1 4 6 7 1 9 

output

[16, 17, 8, 17]