On the iterative tool python itertool

1 Overview

. 1  the Python built itertools module provides useful functions for manipulating objects iteration.
2  
3  First, we look at a few "unlimited" iterator itertools offered:
 4   Import itertools
 5   natuals = itertools.count (1 ) #   Print (dir (itertools)) to print out all the methods under the itertools 
6 for the n- in natuals :

7  　　Print (the n-) 
8  # execution result 1,2,3,4 ... infinite iterations down Ctrl + c to exit the loop

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