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This article mainly introduces how to achieve the cycle of python, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

The use of range function

As an object of loop traversal

The first creation method is r=range (10) print (r) # range (0Magne10) print (list (r))

The default is zero, and the default step size is 1

Range (0,10) [0,1,2,3,4,5,6,7,8,9] second creation method

An initial value of 1 is specified, ending with 10, excluding 10, and the default step size is 1.

The second creation method gives two parameters (two numbers are given in parentheses). The third creation method is r=range (1d10) print (list (r)) [1, 2, 3, 4, 5, 6, 7, 8, 9]

The last digit is the step size

R=range (1 in 10 in 2) print (list (r)) [1, 3, 5, 7, 9] determine whether the specified number has a cyclic structure of print (10 in r) in the current sequence.

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