itertools.chain

Describing itertools.chain(*iterables)

• The chain function is used to cycle through each element of any number of iterables
• Each iterable is based on the *iterables parameters
• chain returns an iterator of cycled elements
• The *iterables parameter accepts any number of iterables

Illustrating the accumulate Function

>>> from itertools import chain
>>> nums = [1, 2, 3]
>>> letters = 'abc'

>>> itr = chain(nums, letters)
>>> for i in itr: print(i)
1
2
3
'a'
'b'
'c'

References

• Documentation of the Chain Function from Itertools