python 核心编程课后练习(chapter 6)

6-1

 1 #6-1
 2 
 3 #help(string)
 4 import string
 5 
 6 str = "helloworld"
 7 substr = "h1e"
 8 
 9 if string.find(str, substr) != -1:
10   print"substr=%s is part of %s" % (substr, str)
11 else:
12   print"not substring" 

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