Question

9) This is in Python

Code a program that allows the user to manage its expenses accepting the following commands:

- Add <player_name> -> This command adds a new player to the system. Assume there can’t be repeated names. If a name already exists then an error is shown to the user.

- Score <player_name> <score> -> This command adds the score to the player with the name player-name. Each score needs to be added individually

- Report -> This commands prints the name of each player and the top three scores they have. If they have less than three scores then it prints all of the scores for that player. After printing each name and the top three scores for each player it prints the total score for all players

-Exit -> Stops the program

Answer 1

Python Program:

""" Python program that executes based on commands """

# Initializing players dictionary
players = {};

# Loop user want to exit
while True:
   # Reading commands
   command = input("Enter your Command: ")
  
   # Splitting on space
   tokens = command.strip().split()
  
   # Fetching first word of command
   cmd = tokens[0]
  
   # Checking command
   if cmd.lower() == 'add':
       # Reading name
       name = tokens[1]
      
       # Checking for existence
       if name in players.keys():
           print("\nPlayer ", name, "already exists...\n")
       else:
           # Adding player
           players[name] = []
          
   # Command is Score
   elif cmd.lower() == 'score':
       # Reading name
       name = tokens[1]
      
       # Checking for existence
       if name not in players.keys():
           print("\nPlayer ", name, "doesn't exist...\n")
       else:
           # Adding score
           players[name].append(float(tokens[2]))
          
   # Command is Report
   elif cmd.lower() == 'report':
       # Printing player name and score
       for player in players.keys():
           # Sorting scores
           players[player].sort(reverse=True)
           # Printing data
           print("\nPlayer: ", player, end = "\t")
           # Printing scores
           if len(players[player]) >= 3:
               print("Scores: ", players[player][0], players[player][1], players[player][2])
           else:
               print("Scores: ",end="")
               for score in players[player]:
                   print(score, end=" ")
                  
       # Total score of all players
       total = 0
       for player in players.keys():
           for score in players[player]:
               total = total + score
              
       # Printing total score
       print("\n\nTotal Score: ", total, "\n\n")
  
   # Command is Exit
   elif cmd.lower() == 'exit':
       print("Bye!")
       break
      
   # any other command
   else:
       print("Invalid Command")

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Code Screenshot:

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Sample Run: