This is the code:
L=[1,2]
L is L[:]
False
Why is this False?
This is the code: L=[1,2] L is L[:] False Why is this False?
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L[:](slice notation) means: Make a copy of the entire list, element by element.So you have two lists that have identical content, but are separate entities. Since
isevaluates object identity, it returnsFalse.L == L[:]returnsTrue.