python iterator
2017-02-27 22:48:15 0 举报AI智能生成
python iterater
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iteration
build-in iter()
iter(iterable) -> iterator
iter(callable, sentinel) -> iterator
for loop
__iter__ / __getitem__
dict
if k in dict
for k in dict
iterkeys / itervalues / iteritems
file
for line in file
iterable
hasattr(obj, '__iter__') or or be a sequence
iterator
__next__
__iter__
iterator protocol
__iter__
return iter(iterable)
to be a generator
return generator
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职业：硕士
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