############################################################
#
# Ask the Question.
#     Get the answer.
#     Make response Upper Case
#     If Yes    ..... rejoice!
#     If No     ..... weep!
#     Otherwise ..... Error!!!!!
#
# Data Structures
# ===============
#
# Many ways to say Yes ... Maybe a tuple of all?
#                          To test response against
#                          All elements Upper Case
# Many ways to say No  ... Maybe a tuple of all?
#                          To test response against
#                          All elements Upper Case
############################################################

Yes = ('Y', 'YES', 'OK')    # All allowed Yes answers
No  = ('N', 'NO', 'NEVER' ) # All allowed No  answers

Response = input("Do you understand Loops yet???  ").upper()

if   Response in Yes:
    print("Jolly Good!")
elif Response in No:
    print("Well, Try harder!")
else:
    print("Answer must be Yes or No!")