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[python3/en] Clarify difference between iterators and iterables in the last example (closes #3586)

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Mariusz Skoneczko 2019-10-22 12:08:08 +11:00
parent ef1ccd2b0f
commit 2486fa8c1e
1 changed files with 8 additions and 2 deletions
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python3.html.markdown
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@ -550,8 +550,14 @@ next(our_iterator) # => "three"
# After the iterator has returned all of its data, it raises a StopIteration exception
next(our_iterator) # Raises StopIteration
# You can grab all the elements of an iterator by calling list() on it.
list(filled_dict.keys()) # => Returns ["one", "two", "three"]
# We can also loop over it, in fact, "for" does this implicitly!
our_iterator = iter(our_iterable)
for i in our_iterator:
print(i) # Prints one, two, three
# You can grab all the elements of an iterable or iterator by calling list() on it.
list(our_iterable) # => Returns ["one", "two", "three"]
list(our_iterator) # => Returns [] because state is saved
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