20121016python学习笔记

1.格式输出也可以 是变量

1 a = “%r %s”
2 print a % (5, "baidu")
3 输出结果:5 baidu

2.%r对字符串的输出结果不做转意

1 print "%r" % "\tabc"
2 输出结果:'\tabc'
3 print "%s" % "\tabc"
4 输出结果:    abc

3.三引号的完整输出

 1 print """ 
 2 Hello!
 3 Can I help you?
 4 \nNo! Thanks!
 5 """ 
 6 输出结果:
 7 Hello!
 8 Can I help you?
 9   
10 No! Thanks!