[Python-Dev] redefining is (original) (raw)

Tim Peters tim.one at comcast.net
Tue Mar 23 21:10:44 EST 2004


[Shane Hathaway]

As I understood it, 'b' and 'c' are supposed to be substitutable in the following example, since 'b' and 'c' will have the same value even after 'a' changes:

a = [] b = (a,) c = (a,)

Fair enough. Do interesting/valuable use cases appear then?



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