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#Filename: stack.py
shoplist=['apple','mango','carrot','banana']
shoplist.append('rice')
popitem=shoplist[-1]
del shoplist[-1]
print 'the popitem is',popitem
print 'My shopping list is now',shoplist
print 'the next pop item is',shoplist[-1]
print 'after the next pop,the shopping list is',shoplist[:-1]
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#filename Seek.py
import unicodedata
import sys
import os
class Seek():
"""
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os
import
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os.chmod( filename, stat.S_IWRITE )
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os.system(r
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attrib -r' + path +'\\*.* /s
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