# Filename: lab6.0.py
# Author: Brian L. Walter
# Calculated Fiction, Winter 2008
# Description of contents:
#   Show how functions treat lists differently from other
#   variables.

def fn1(n):
    n = n + 1000
    return n


def fn2(numlist):
    for i in range(len(numlist)):
        numlist[i] = numlist[i] + 1000
    return numlist


def main():

    num = 1
    print "num =", num
    print "fn1(num) =", fn1(num)
    raw_input("Hit enter to see the current value of num. ")
    print "num =", num
    raw_input("Hit enter to continue.")
    
    numlist = range(10)
    print "\nnumlist =", numlist
    print "fn2(numlist) =", fn2(numlist)
    raw_input("Hit enter to see the current value of numlist. ")
    print "numlist =", numlist
    raw_input("Hit enter to continue.")
    
    numlist2 = range(10)
    print "\nnumlist2 =", numlist2
    print "fn2(numlist2[:]) =", fn2(numlist2[:])
    raw_input("Hit enter to see the current value of numlist2. ")
    print "numlist2 =", numlist2
    raw_input("Hit enter to exit.")

main()