字符串的使用

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#！/usr/bin/env python
# -*- coding:utf-8 -*-

‘‘‘username=input("user:")
if username.strip()==‘qiuyun‘:
    print("welcome")‘‘‘

names="qiuyun,jack"
name2=names.split(",")
print("|".join(name2))

name=‘qiu yun‘
print(""in name)#判断空格有无

name=‘qiu yun‘
print(name.capitalize())#给首字母大写

msg="hello,{name}"
msg2="hahah{0},gfs{1}"
print(msg2.format(‘qiuyun‘,12))#自动往里添加数据

msg="hello,{name}"
msg2=msg.format(name=‘qiuyun‘,age=22)
print(msg2)

name="qiuyun"
print(name[2:4])
print(name.center(40,‘-‘))
print(name.upper().lower())#大写然后再小写

字符串的使用

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原文地址：http://www.cnblogs.com/qiuyun1506/p/5757568.html