Steven D'Aprano <[email protected]> added the comment:
This is not a bug, it is normal handling of `and` and `or` operators since
Python 1.5 and possibly older.
The `and` and `or` operators are *short-cut* operators. This is intentional
design, so we can write things like:
if mylist and mylist[0] == value:
the `mylist[0] == value` expression is only evaluated if `mylist` is a truthy
value.
This is all documented here:
https://docs.python.org/3/reference/expressions.html#boolean-operations
----------
nosy: +steven.daprano
resolution: -> not a bug
stage: -> resolved
status: open -> closed
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Python tracker <[email protected]>
<https://bugs.python.org/issue42394>
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