test_possibilities.py

def beats(one, two):
    result = False

    # Only two outcome can occur
    # If you Win = True
    # If you Lose = False
    # This is the boolean logic (George Boole created this on 1854)
    # BEFORE all the computer stuff. Cool right?
    
    if one is two:
        return "Tie"
    elif one is "rock":
        if two is "paper": # Rock Lose from paper
            return False
        elif two is "scissors": # Rock win from scissors
            return True
    elif one is "paper":
        if two is "rock": # Paper lose from rock
            return False
        elif two is "scissors": # Paper win from scissors
            return True
    elif one is "scissors": 
        if two is "rock": # Scissors lose from rock
            return False
        elif two is "paper": # Scissors win from paper
            return True

    # Do you see a pattern?
    # You are repeating yourself.

print(beats("rock", "paper")) # I'll print False
print(beats("rock", "scissors")) # I'll print True

print(beats("paper", "rock")) # I'll print False
print(beats("paper", "scissors")) # I'll print True

print(beats("scissors", "rock")) # I'll print False
print(beats("scissors", "paper")) # I'll print True