# -*- coding:utf-8 -*-
import string
myStr1="hello,world"
myStr2="您好，世界"
print myStr1
print myStr2
print "=========="
print string.capwords(myStr1)
transTable=string.maketrans('elo您','ELO你')
print myStr1.translate(transTable)
print myStr2.translate(transTable)

转换表和首字母大小

$ python  ~/Documents/pylearn/learn1.py

hello,world

您好，世界

==========

Hello,world

hELLO,wOrLd

你好，世界