CSC111 Solutions for Lab 2

# ----------------------------------------------------------
# all numbers between 3 and 7
for i in range( 3, 8 ):
    print i


# same thing, without the range function
for i in [3, 4, 5, 6, 7, 8]:
    print i




# all even numbers in (4, 20)
for i in range( 4, 21, 2 ):
    print i




# all odd numbers in (-3, 19)
for i in range( -3, 20, 2 ):
    print i



# ----------------------------------------------------------
# where should I start?
start = input( "Where should I start? " )
end   = input( "What is the last number of the series? " )
for i in range( start, end+1 ):
    print i



# ----------------------------------------------------------
# lab2seq.py
#
def main():
    # initialize the farm with animals
    farm = [ "dog", "cat", "horse", "pig" ]
    
    # print the contents of the farm
    for animal in farm:
        print animal

main()


                
# ----------------------------------------------------------
# lab2seq2.py
#
def main():
    farm = []              # create an empty farm
    for i in range( 4 ):
        farm.append( raw_input( "animal? " ) )

    # print the contents of the farm
    counter = 1
    for animal in farm:
        print "animal #", counter, ": a", animal
        counter = counter + 1

    # old MacDonald...    
    farm = []              # create an empty farm
    for i in range( 4 ):
        farm.append( raw_input( "animal? " ) )

    # print the contents of the farm
    for animal in farm:
        print "Old MacDonald had a farm, E-I-E-I-O"
        print "And on his farm he had a", animal, ", E-I-E-I-O"
        print "Here a", animal, "there a", animal, "everywhere a", animal, "!"
        print

main()


# ----------------------------------------------------------
#  How many stars?
noStars = input( "How many stars? " )

for i in range( noStars ):
    print "*",     # the comma forces the output to stay on the same line
    
for i in range( 20-noStars ):
    print "!",
    
print          # go to next line