Nested list

 

Iterate through a Nested List

To iterate over the items of a nested list, use simple for loop.

L = [[1, 2, 3],[4, 5, 6],[7, 8, 9]]   
for list in L:
    for number in list:
        print(number, end=' ')
# Prints 1 2 3 4 5 6 7 8 9

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