python----python中常用的内置方法
In [55]: min(2,3)
Out[55]: 2
In [56]: max(2,3)
Out[56]: 3
In [57]: sum(range(1,101))
Out[57]: 5050
In [58]: sum(range(1,101,2))
Out[58]: 2500
In [59]: sum(range(2,101,2))
Out[59]: 2550
- 枚举：返回索引值和对应的value值