You don't have to: use the break statement, that's what it's for.   About people teaching students not to use it: the existence of bad teachers teaching silly ideas is not a reason to add syntax to Python.

--Ned.

You shouldn't have to invoke takewhile and a lambda just to break out of for loop.

>http://docs.python.org/2/library/itertools.html#itertools.takewhile
>
>for item in takewhile(lambda x: x < 5, range(10)):
>    pass

>>
>> [People who avoid the 'break' by functionalizing an inner portion of the
>> loop are just kidding themselves and making their own code worse, IMO.
>> Takewhile from itertools also works, but that's clumsy and wordy as well.]
>>

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