# Tutorial 4 - Problem 1
#
# Write a function that takes a string as a parameter
# and displays the letters backward, one per line.
#
# Anne Lavergne
# Dec. 2015

def printBackward(aString):
    for index in range(len(aString)-1, -1, -1):
        print(aString[index])
    return

# Then, write another function that takes a string as a parameter and
# returns the string reversed (without printing it).

def reverse1(aString):
    reversedString = ""
    for index in range(len(aString)-1, -1, -1):
       reversedString += aString[index]
    return reversedString

def reverse2(aString):
    reversedString = aString[ : : -1]
    return reversedString



# Main
print('Calling printBackward("Fantastic!")') 
printBackward("Fantastic!")
print('Calling reverse1("Fantastic!") and result is: %s' %(reverse1("Fantastic!")))
print('Calling reverse2("Fantastic!") and result is: %s' %(reverse2("Fantastic!")))