Itertools

tracer85 2021-01-22 17:48:05
itertools


itertools Provides a series of functions to create iterators for efficient loops .
The following summarizes all the functions and introductions of this module , Convenient for subsequent query .

  • Infinite iterator
iterator Parameters describe Example
count() start, step Generate a sequence of fixed steps count(10, 2)-> 10 12 14..
cycle() seq Infinite cyclic sequence cycle('abc')->a b c a b c
repeat() ele, n Repetitive elements n Time repeat((1,2,3), 2)->(1,2,3) (1,2,3)
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