Navigating nested lists in python

Asked Nov 12 '13 at 09:29

Active Nov 12 '13 at 09:29

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This is probably very basic, but I am having trouble navigating nested lists in python 3.

list1 = [[0]*3]*3
list1[0][1] = 1
print(list1)

Produces the output

[[0, 1, 0], [0, 1, 0], [0, 1, 0]]

when I expected the output to be

[[0, 1, 0], [0, 0, 0], [0, 0, 0]]

Why is this happening?

asked Nov 12 '13 at 09:29

kriops

3

Dup: [Python List Index](http://stackoverflow.com/questions/13058458/python-list-index) and many more... – Ashwini Chaudhary Nov 12 '13 at 09:30
For the same reason explained in my answer [here](http://stackoverflow.com/a/19906002/1561176). – Inbar Rose Nov 12 '13 at 09:35

0 Answers0