什么是switch语句?
switch 语句是一种多路分支语句,它将变量的值与 case 语句中指定的值进行比较。
Python 语言没有 switch 语句。
Python使用字典映射在Python中实现Switch Case
例如
function(argument){ switch(argument) { case 0: return "This is Case Zero"; case 1: return " This is Case One"; case 2: return " This is Case Two "; default: return "nothing"; }; };
以上算法的Python语言的实现
例1.Switch Case 语句的实现
def SwitchExample(argument): switcher = { 0: " This is Case Zero ", 1: " This is Case One ", 2: " This is Case Two ", } return switcher.get(argument, "nothing") if __name__ == "__main__": argument = 1 print (SwitchExample(argument))
结果
This is Case One
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