学步园

# 027<br /> toolName = 'Google'<br /> if toolName.startswith('Go'):<br /> print 'The tool/'s name starts with /"Go/".'<br /> if 'oo' in toolName:<br /> print 'The tool/'s name contains the stirng "oo".'<br /> print toolName.find('gl') # 返回首次出现“gl”字符串的索引<br /> if toolName.find('Baidu'):<br /> print 'Can/'t find "Baidu" in tool/'s name.'<br /> aList = ['a','b','c']<br /> print '...'.join(aList)

output：

The tool's name starts with "Go".
The tool's name contains the stirng "oo".
3
Can't find "Baidu" in tool's name.
a...b...c