知識點-生成器，列表生成式，字典迭代

1.字典迭代 a={"a":1,"b":2,"c":3} for key in a: print(key) for values in a.values(): print(values) for key,value in a.items(): print(key,value) 2.列表生成式 a=[i for i in range(10)] print(a) a=[

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