


python operators - examples of three logical operators commonly used in actual combat
Today in this article we will talk about python logical operators among python operators. I hope this article can help you reading.
Logical operators: Python language supports logical operators. The following assumes that variable a is 10 and b is 20, as shown below:
Enter the above numbers Among the examples:
#!/usr/bin/python # -*- coding: UTF-8 -*- a = 10 b = 20 if ( a and b ): print "1 - 变量 a 和 b 都为 true" else: print "1 - 变量 a 和 b 有一个不为 true" if ( a or b ): print "2 - 变量 a 和 b 都为 true,或其中一个变量为 true" else: print "2 - 变量 a 和 b 都不为 true" # 修改变量 a 的值 a = 0 if ( a and b ): print "3 - 变量 a 和 b 都为 true" else: print "3 - 变量 a 和 b 有一个不为 true" if ( a or b ): print "4 - 变量 a 和 b 都为 true,或其中一个变量为 true" else: print "4 - 变量 a 和 b 都不为 true" if not( a and b ): print "5 - 变量 a 和 b 都为 false,或其中一个变量为 false" else: print "5 - 变量 a 和 b 都为 true"
The output results of the above examples are as follows:
1 - 变量 a 和 b 都为 true 2 - 变量 a 和 b 都为 true,或其中一个变量为 true 3 - 变量 a 和 b 有一个不为 true 4 - 变量 a 和 b 都为 true,或其中一个变量为 true 5 - 变量 a 和 b 都为 false,或其中一个变量为 false
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