Bindings

contains = {}for c in 'aeiou':  contains[c] = lambda s: c in scontains['u']('food')     # => False   ( expected)contains['u']('zuul')     # => True    ( expected)contains['a']('barn')     # False      ( ??? )contains['a']('zuul')     # True       ( ??? )# Taken from http://wiki.europython.eu/TalkMaterials?action=AttachFile&do=get&target=pythonsucks.pdf