ex16.py

#!/bin/env python
# -*- coding: utf-8 -*-
#:Tital: ex16.py
#:synopsis: ex16.py
#:Date: 2012-12-20
#:Version: 1.0
#:Author: lovvvve
#:Options: 


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 do want that, hit RETURN."

raw_input("?")

print "Opening the file..."
target=open(filename,'a')

#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 "And finally, we close it."
target.close()