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from sys import argv
script,filename = argv
print "We‘re going to erase %r."% filename
print "If you don‘t want that,hit CTRL-C (^C)."
print "If you want that,hit RETURN."
raw_input("?")
print "Opening the file..."
target = open(filename,‘w‘)
print "Truncating the file.Goodbye..."
target.truncate()
print "Now I‘m going to ask you for three lines."
line1 = raw_input("line 1:")
line2 = raw_input("line 2:")
line3 = raw_input("line 3:")
print "I‘m going to write these to the file."
target.write(line1)
target.write("\n")
target.write(line2)
target.write("\n")
target.write(line3)
target.write("\n")
print "Finally, we close it."
target.close()
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原文地址：http://www.cnblogs.com/zjcsweb/p/5815721.html
