A case study of global usage in Python

Source: Internet
Author: User

This example describes the global usage in Python. Share to everyone for your reference. The specific analysis is as follows:

1, Global---defines a variable as a global variable. You can change the value of a variable within a function by defining it as a global variable.

2. A global statement can define multiple variables at the same time, such as Global X, Y, Z

Sample programs:

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1 2 3 4 5 6 7 8 9 10 >>> def func (): ... global x. PRINT ' x is ', x. x = 2 ... print ' change local x to ', X ... >>> x = >>> func () x is change local x to 2

I hope this article will help you with your Python programming.

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