CODEWITHSUNDEEP
pythoniteratorgenerator
Zero Days
Zero Days

Reputation: 859

How to iterate over a generator?

Assume a big list and I want to iterate over it.

>>> x=[]
>>> for i in x:
print(x)

but because the list is too big, using the generator is the best way:

>>> g=(i for i in range(10))
>>> g.__next__()
0

But there is a problem with number of times to iterate. Because I don't know how many times I should use g.__next__(), I need something more dynamic.

For example:

for i in x:

It is not important how long is x as the loop with iterate to the end.

How can I similarly iterate using generators?

Upvotes: 3

Views: 3207

Answers (2)

Mureinik
Mureinik

Reputation: 312259

You can use the for syntax with generators:

>>> g=(i for i in range(10))
>>> g
<generator object <genexpr> at 0x7fd70d42b0f0>
>>> for i in g:
...     print i
... 
0
1
2
3
4
5
6
7
8
9

Upvotes: 3

Anand S Kumar
Anand S Kumar

Reputation: 91009

Use for loop , just as you used in case of list , Example -

for i in g:
    print(i)

Upvotes: 2

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