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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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# 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]
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