>>> list(range(10))#默认从0开始，步长为1,不包括终值
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
>>> list(range(2,10))#默认步长为1,不包括10
[2, 3, 4, 5, 6, 7, 8, 9]
>>> list(range(1,10,2))
[1, 3, 5, 7, 9]
>>> list(range(5,1,-1))
[5, 4, 3, 2]
>>>
>>> list(range(10))#默认从0开始，步长为1,不包括终值
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
>>> list(range(2,10))#默认步长为1,不包括10
[2, 3, 4, 5, 6, 7, 8, 9]
>>> list(range(1,10,2))
[1, 3, 5, 7, 9]
>>> list(range(5,1,-1))
[5, 4, 3, 2]
>>>