Python字符串处理

#!/usr/bin/python
#coding=gb2312 

line='aa,bb,cc,dd';
print line.split(',');
w='start';
s='wic\n';
print w.upper();
print w.isalpha();
print s.rstrip();
print '%s,caonima,de,%s' %('wo','b');
print '{0},caonima,de,{1}'.format('cao', 'nidaye');