I am running into a strange behavior using the sorted function in Python 2.7.
The key parameter is not behaving as the docs say it does:
Here is a snippet of code, simplified from my full program:
#begin code
class Thing(object):
def __init__(self, name):
self.name = name
def __repr__(self):
return "Thing %s" % self.name
stuff = [Thing('a'), Thing('C'), Thing('b'), Thing('2')]
more_stuff = [Thing('d'), Thing('f')]
all_the_stuff = stuff + more_stuff
print list(sorted(all_the_stuff, key=lambda x: x.name.lower))
print list(sorted(all_the_stuff, key=lambda x: x.name.lower()))
# END
The output is:
[Thing d, Thing f, Thing 2, Thing a, Thing b, Thing C]
[Thing 2, Thing a, Thing b, Thing C, Thing d, Thing f]
The second call to sorted works as expected. Just using the method doesn't sort
properly.
Any ideas why I'm seeing two different results? Especially as the correct form
is giving me the wrong results?
Josh English
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