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# 029
aFile = file(r'C:\in.txt', 'r')
while True:
line = aFile.readline()
if len(line) == 0:
break
# end of if
print line,
# end of while
aFile.close()

output£º
>>>
This is the first line.
This is the second line.
This is the third line.
>>>


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+
__add__,__radd__
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__sub__,__rsub__
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//
__floordiv__,__rfloordiv__
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<<
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PythonÈëÃŵÄ36¸öÀý×Ó Ö® 22

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# 025
# ÐòÁеÄÉñÆæÖ®´¦ÔÚÓÚÄã¿ÉÒÔʹÓÃÏàͬµÄ·½Ê½tuple¡¢listºÍstring
se = ['a', 'b', 'c', 'd']
li = ['a', 'b', 'c', 'd']
tu = ('a', 'b', 'c', 'd')
string = 'abcd'
print se[1]
print li[1]
print tu[1]
print string[1]
# ÐòÁеÄÁíÍâÒ»¸öÉñÆæÖ®´¦ÔÚÓÚ£¬Äã¿ÉÒÔʹÓøºÊý½øÐÐË÷ ......

PythonÈëÃŵÄ36¸öÀý×Ó Ö® 24

# 027
toolName = 'Google'
if toolName.startswith('Go'):
print 'The tool\'s name starts with \"Go\".'
if 'oo' in toolName:
print 'The tool\'s name contains the stirng "oo".'
print toolName.find('gl') # ·µ»ØÊ״γöÏÖ“gl”×Ö·û´®µÄË÷Òý
if toolName.find('Baidu ......

PythonÈëÃŵÄ36¸öÀý×Ó Ö® 25

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# 028
consoleInput = raw_input('ÇëÊäÈëµãʲô°É£º')
aFile = file(r'C:\out.txt', 'w')
aFile.write(consoleInput + '\n')
aFile.write('ÕâÀïÊǵڶþÐÐ')
aFile.close()

output£º
>>>
ÇëÊäÈëµãʲô°É£ºhaha
>>>
......
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