Testing validity of for...in...

Andrew Dalke adalke at mindspring.com
Tue Nov 4 10:14:57 CET 2003

Peter Otten:
> Your implementation makes two implicit tests:
> 1. Is mylist iterable
> 2. Do the items in mylist have a length

It also fails if len(item) returns a different values when
called multiple times for a given item.

                    dalke at dalkescientific.com

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