Christian Heimes added the comment:
The outcome is correct. You have fallen for a common beginners gotcha:
http://www.enricozini.org/2011/tips/python-list-gotcha
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nosy: +christian.heimes
resolution: -> invalid
status: open -> closed
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Python tra
New submission from jp:
The following code:
li = [[1,0]]*5
a = [[1,10], [2,20], [3,30]]
for line in a:
li[line[0]][0] = 2
print(li)
prints [[2,0],[2,0],[2,0],[2,0],[2,0]], but should print
[[1,0],[2,0],[2,0],[2,0],[1,0]].
The output is correct if you, instead of using li = [[1,0]]*5, in
