python中常用的内置方法

1.基本方法

2.枚举：返回索引值和对应的value值

for i,v in enumerate('westos'):
    print(i,v)

3.zip

s1 = 'abc'
s2 = '456'
for i in zip(s1,s2):
    print(i)

s1 = 'abc'
s2 = '456'
for i in zip(s1,s2):
    print(''.join(i))