On Tuesday, 19 January 2016 12:58:28 UTC+5:30, Arshpreet Singh wrote:
> I was playing with Generators and found that using Generators time is bit
> more than list-comprehensions or I am doing it wrong?
>
>
> Function with List comprehensions:
>
> def sum_text(number_range):
> return sum([i*i for i in xrange(number_range)])
>
> %timeit sum_text(100000000)
> 1 loops, best of 3: 14.8 s per loop
>
> Using generator Expressions:
>
> def sum_text(number_range):
>
> return sum((i*i for i in xrange(number_range)))
>
> %timeit sum_text(100000000)
>
> 1 loops, best of 3: 16.4 s per loop
Or even when I use generator function:
def sum_text(number_range):
yield sum((i*i for i in xrange(number_range)))
another function to get value:
def get_sum():
for i in sum_text(100000000):
return i
%timeit get_sum()
1 loops, best of 3: 16.1 s per loop
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