下表列出了所有Python語言支持的邏輯運算符。假設變量a持有10和變量b持有20,則:
?示例:
試試下面的例子就明白了所有的Python編程語言提供了邏輯運算符:
#!/usr/bin/python a = 10 b = 20 c = 0 if ( a and b ): print "Line 1 - a and b are true" else: print "Line 1 - Either a is not true or b is not true" if ( a or b ): print "Line 2 - Either a is true or b is true or both are true" else: print "Line 2 - Neither a is true nor b is true" a = 0 if ( a and b ): print "Line 3 - a and b are true" else: print "Line 3 - Either a is not true or b is not true" if ( a or b ): print "Line 4 - Either a is true or b is true or both are true" else: print "Line 4 - Neither a is true nor b is true" if not( a and b ): print "Line 5 - Either a is not true or b is not true" else: print "Line 5 - a and b are true"
當執(zhí)行上面的程序它會產(chǎn)生以下結果:
Line 1 - a and b are true Line 2 - Either a is true or b is true or both are true Line 3 - Either a is not true or b is not true Line 4 - Either a is true or b is true or both are true Line 5 - Either a is not true or b is not true
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