Question

How to create 3D list in Python

Answer 1

lists = []

for k in range(3):
    lst = []
    for j in range(4):
        col = []
        for i in range(5):
            col.append(0)
        lst.append(col)
    lists.append(lst)

lists[0][0][0] = 1
lists[0][1][1] = 2

lists[1][2][0] = 3
lists[1][3][1] = 4

lists[2][2][1] = 5
lists[2][3][4] = 6

for k in range(3):
    print(lists[k])


'''
run:

[[1, 0, 0, 0, 0], [0, 2, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0]]
[[0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [3, 0, 0, 0, 0], [0, 4, 0, 0, 0]]
[[0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 5, 0, 0, 0], [0, 0, 0, 0, 6]]

'''

 

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