8.字符串常见操作

常用的字符串操作

a = 'my name is Toni'

 

1、首字母大写

>>> print (a.capitalize())

My name is toni

 

2、打印50个字符，不够的用-代替，a变量内容在中间

>>> print (a.center(50,'-'))

-----------------my name is Toni------------------

 

3.匹配以什么结尾的。

>>> print (a.endswith('ni'))

True

 

4.设置tab的长度

>>> a = 'my name is Toni'

>>> print (a)

my name is Toni

>>> print (a.expandtabs(tabsize=30))

my                            name is Toni