return of use

1.return role:

  • Returns the number of values ​​= 0: Default Back None
  • Returns the number of values ​​= 1: Returns the object
  • Returns the number of values> 1: Returns tuple

2. Notes:

  • It is used to return the function returns
  • When a function is executed to return, the function execution ends
  • Functions not defined return, default return None

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Origin www.cnblogs.com/kxx-1/p/11669810.html