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#!/usr/bin/python
# Filename: str_methods.py

name = ‘Swaroop‘ # This is a string object

if name.startswith(‘Swa‘):
print ‘Yes, the string starts with "Swa"‘

if ‘a‘ in name:
print ‘Yes, it contains the string "a"‘

if name.find(‘war‘) != -1:
print ‘Yes, it contains the string "war"‘

delimiter = ‘_*_‘
mylist = [‘Brazil‘, ‘Russia‘, ‘India‘, ‘China‘]
print delimiter.join(mylist)

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原文：http://www.cnblogs.com/nku-wangfeng/p/7688963.html