2017-12-18python全栈9期第三天第二节之str常用操作方法及for循环格式化输出三种玩法format

#!/user/bin/python
# -*- coding:utf-8 -*-
s = '我叫{},今年{},爱好{},再说一下我叫{}'.format('zd',24,'xq','zd')
print(s)
s = '我叫{0},今年{1},爱好{2},再说一下我叫{0}'.format('zd',24,'xq')
print(s)
s = '我叫{name},今年{age},爱好{hobby},再说一下我叫{name}'.format(name='zd',age=
24,hobby='xq')
print(s)