CSC111 Lab 4 Solution Programs

--D. Thiebaut 10:03, 29 September 2011 (EDT)

---

# Solution snipets for Lab 4
# D.Thiebaut

def greetings():
    text = """
       *****************************************************
       * Solution programs for Lab 4                       *
       *****************************************************
       """
    print( text )
    

def main():
    greetings()

    print( "\nAll aa, ab, ac,... on separate lines\n" )
    for c in "abcdefghijklmnopqrstuvwxyz":
        print( "a" + c )

    print( "\nAll aa, ab, ... az, ba, bb, ... bz\n" )
    for first in "ab":
        for second in "abcdefghijklmnopqrstuvwxyz":
            print( first + second )

    print( "\nAll aa, ab, ...az, ba, bb, ... bz, ca, cb... cz\n" )
    for first in "abc":
        for second in "abcdefghijklmnopqrstuvwxyz":
            print( first + second )

    print( "\bSame with 111a- in front\n" )
    for first in "abc":
        for second in "abcdefghijklmnopqrstuvwxyz":
            print( "111a-" + first + second )
     
    print( "\nmini challenge\n" )
     
    for second in "abcdefghijklmnopqrstuvwxyz":
        for first in "abc":
            print( first + second, end=' ' ) #quote space quote
        print()
     
    print( "\nChallenge #2\n" )
     
    zoo = [ "pig", "horse", "elephant" ]

    # variation #1
    print("\n\n\n-- Variation #1" )
    count = 1
    for animal in zoo:
        print( "Animal #%d:" % (count), end=" " )
        print( animal )
        count = count + 1

    # variation #2
    print("\n\n\n-- Variation #2" )
    count = 1
    for animal in zoo:
        print( "Animal #%d: %s" % ( count, animal ) )
        count = count + 1

    # variation #3
    print("\n\n\n-- Variation #3" )
    count = 1
    for animal in zoo:
        countString = "%d" % count # countString is now the
                                   # string equivalent of count
        print( "Animal #" + countString + ": " + animal )
        count = count + 1

    # answer to the challenge
    print("\nAnswer to the challenge\n\n" )
    count = 1
    for animal in zoo:
        print( "about to print", animal, count, "time(s)..." )
        for i in range( count ):
            print( animal, end=" " )  # that's a space between quotes
        print()
        count = count + 1
     
    print( "\nChallenge #3\n" )
     
    semesters = [ "spring", "fall" ]
    years     = [ "2010", "2011", "2012", "2013" ]
    for year in years:
        for sem in semesters:
            print( sem, year )
     
    # or
    print("\nor...\n")
    semesters = [ "sprint", "fall" ]
    years     = [ 2010, 2011, 2012, 2013 ]
    for year in years:
        for sem in semesters:
            print( sem, year )
     
    # or
    print("\nor...\n" )
    semesters = [ "sprint", "fall" ]
    for year in range( 2010, 2014):
        for sem in semesters:
            print( sem, year )
     
     
    print( "\n\n Challenge #4\n\n" )
    for i in range( 1,10 ):
          for j in range( 1, 10 ):
              print( i*j, sep=" ", end=" " )  # no space between the double quotes
          print()

    print( "\n\n" )
    for i in range( 1,10 ):
          for j in range( 1,i+1 ):
              print( "%3d" % (i*j), sep=" ", end=" " )  # no space between the double quotes
          print()

main()