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Python‎ > ‎

itertools

http://www.adilwaseem.com/

Introduction
Functional tools for creating and using iterators.

builtins.object
  • accumulate
  • chain
  • combinations
  • combinations_with_replacement
  • compress
  • count
  • cycle
  • dropwhile
  • filterfalse
  • groupby
  • islice
  • permutations
  • product
  • repeat
  • starmap
  • takewhile
  • zip_longest
Example
The return is:
 import itertools
x={1,2,3,4,5,6,7,8,9}
y=itertools.accumulate(x)
for value in y: print(value)

>>> 
1
3
6
10
15
21
28
36
45
>>> 

iterator functions

  • itertools.accumulate()
  • itertools.chain()
  • itertools.combinations()
  • itertools.combinations_with_replacement()
  • itertools.compress()
  • itertools.count()
  • itertools.cycle()
  • itertools.dropwhile()
  • itertools.filterfalse()
  • itertools.groupby()
  • itertools.islice()
  • itertools.permutations()
  • itertools.product()
  • itertools.repeat()
  • itertools.starmap()
  • itertools.takewhile()
  • itertools.takewhile()
  • itertools.tee()
  • itertools.zip_longest()


Subpages (18): itertools.accumulate() itertools.chain() itertools.combinations() itertools.combinations_with_replacement() itertools.compress() itertools.count() itertools.cycle() itertools.dropwhile() itertools.filterfalse() itertools.groupby() itertools.islice() itertools.permutations itertools.product() itertools.repeat() itertools.starmap() itertools.takewhile() itertools.tee() itertools.zip_longest()
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