행렬의 덧셈

arr1 = [[1,2],[3,4]]

arr2 = [[5,6],[7,8]]

 

for c,d in zip(arr1,arr2):

     print(c,d)  => [1,2] [5,6] 

                        [3,4] [7,8]

 

c = [[x + y for x, y in zip(c,d)] for c,d in zip(a,b)]

 

=> [[6,8],[10,12]]