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https://github.com/coding-horror/basic-computer-games.git
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converted indentation to spaces
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aconconi
@@ -22,126 +22,126 @@ Lua port by Alex Conconi, 2022
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--- Throw two dice and return their sum.
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local function throw_dice()
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return math.random(1, 6) + math.random(1, 6)
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return math.random(1, 6) + math.random(1, 6)
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end
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--- Print prompt and read a number > 0 from stdin.
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local function input_number(prompt)
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while true do
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io.write(prompt)
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local number = tonumber(io.stdin:read("*l"))
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if number and number > 0 then
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return number
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else
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print("Please enter a number greater than zero.")
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end
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end
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while true do
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io.write(prompt)
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local number = tonumber(io.stdin:read("*l"))
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if number and number > 0 then
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return number
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else
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print("Please enter a number greater than zero.")
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end
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end
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end
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--- Print custom balance message depending on balance value
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local function print_balance(balance, under_msg, ahead_msg, even_msg)
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if balance < 0 then
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print(under_msg)
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elseif balance > 0 then
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print(ahead_msg)
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else
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print(even_msg)
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end
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if balance < 0 then
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print(under_msg)
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elseif balance > 0 then
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print(ahead_msg)
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else
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print(even_msg)
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end
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end
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--- Play a round and return winnings or losings.
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local function play_round()
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-- Input the wager
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local wager = input_number("Input the amount of your wager: ")
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-- Input the wager
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local wager = input_number("Input the amount of your wager: ")
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-- Roll the die for the first time.
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print("I will now throw the dice")
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local first_roll = throw_dice()
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-- Roll the die for the first time.
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print("I will now throw the dice")
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local first_roll = throw_dice()
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-- A 7 or 11 on the first roll wins.
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if first_roll == 7 or first_roll == 11 then
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print(string.format("%d - natural.... a winner!!!!", first_roll))
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print(string.format("%d pays even money, you win %d dollars", first_roll, wager))
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return wager
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end
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-- A 7 or 11 on the first roll wins.
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if first_roll == 7 or first_roll == 11 then
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print(string.format("%d - natural.... a winner!!!!", first_roll))
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print(string.format("%d pays even money, you win %d dollars", first_roll, wager))
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return wager
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end
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-- A 2, 3, or 12 on the first roll loses.
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if first_roll == 2 or first_roll == 3 or first_roll == 12 then
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if first_roll == 2 then
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-- Special 'you lose' message for 'snake eyes'
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print(string.format("%d - snake eyes.... you lose.", first_roll))
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else
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-- Default 'you lose' message
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print(string.format("%d - craps.... you lose.", first_roll))
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end
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print(string.format("You lose %d dollars", wager))
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return -wager
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end
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-- A 2, 3, or 12 on the first roll loses.
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if first_roll == 2 or first_roll == 3 or first_roll == 12 then
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if first_roll == 2 then
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-- Special 'you lose' message for 'snake eyes'
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print(string.format("%d - snake eyes.... you lose.", first_roll))
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else
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-- Default 'you lose' message
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print(string.format("%d - craps.... you lose.", first_roll))
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end
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print(string.format("You lose %d dollars", wager))
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return -wager
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end
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-- Any other number rolled becomes the "point".
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-- Any other number rolled becomes the "point".
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-- Continue to roll until rolling a 7 or point.
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print(string.format("%d is the point. I will roll again", first_roll))
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while true do
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local second_roll = throw_dice()
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if second_roll == first_roll then
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-- Player gets point and wins
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print(string.format("%d - a winner.........congrats!!!!!!!!", first_roll))
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print(string.format("%d at 2 to 1 odds pays you...let me see... %d dollars", first_roll, 2 * wager))
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return 2 * wager
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end
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if second_roll == 7 then
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-- Player rolls a 7 and loses
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print(string.format("%d - craps. You lose.", second_roll))
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print(string.format("You lose $ %d", wager))
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return -wager
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end
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-- Continue to roll
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print(string.format("%d - no point. I will roll again", second_roll))
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end
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print(string.format("%d is the point. I will roll again", first_roll))
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while true do
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local second_roll = throw_dice()
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if second_roll == first_roll then
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-- Player gets point and wins
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print(string.format("%d - a winner.........congrats!!!!!!!!", first_roll))
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print(string.format("%d at 2 to 1 odds pays you...let me see... %d dollars", first_roll, 2 * wager))
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return 2 * wager
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end
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if second_roll == 7 then
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-- Player rolls a 7 and loses
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print(string.format("%d - craps. You lose.", second_roll))
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print(string.format("You lose $ %d", wager))
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return -wager
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end
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-- Continue to roll
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print(string.format("%d - no point. I will roll again", second_roll))
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end
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end
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--- Main game function.
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local function craps_main()
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-- Print the introduction to the game
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print(string.rep(" ", 32) .. "Craps")
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print(string.rep(" ", 14) .. "Creative Computing Morristown, New Jersey\n\n")
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print("2,3,12 are losers; 4,5,6,8,9,10 are points; 7,11 are natural winners.")
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-- Print the introduction to the game
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print(string.rep(" ", 32) .. "Craps")
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print(string.rep(" ", 14) .. "Creative Computing Morristown, New Jersey\n\n")
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print("2,3,12 are losers; 4,5,6,8,9,10 are points; 7,11 are natural winners.")
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-- Initialize random number generator seed
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math.randomseed(os.time())
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-- Initialize random number generator seed
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math.randomseed(os.time())
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-- Initialize balance to track winnings and losings
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local balance = 0
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-- Initialize balance to track winnings and losings
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local balance = 0
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-- Main game loop
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local keep_playing = true
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while keep_playing do
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-- Play a round
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balance = balance + play_round()
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-- Main game loop
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local keep_playing = true
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while keep_playing do
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-- Play a round
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balance = balance + play_round()
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-- If player's answer is 5, then stop playing
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keep_playing = (input_number("If you want to play again print 5 if not print 2: ") == 5)
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-- If player's answer is 5, then stop playing
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keep_playing = (input_number("If you want to play again print 5 if not print 2: ") == 5)
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-- Print an update on winnings or losings
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print_balance(
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balance,
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string.format("You are now under $%d", -balance),
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string.format("You are now ahead $%d", balance),
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"You are now even at 0"
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)
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end
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-- Print an update on winnings or losings
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print_balance(
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balance,
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string.format("You are now under $%d", -balance),
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string.format("You are now ahead $%d", balance),
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"You are now even at 0"
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)
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end
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-- Game over, print the goodbye message
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print_balance(
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balance,
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"Too bad, you are in the hole. Come again.",
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"Congratulations---you came out a winner. Come again.",
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"Congratulations---you came out even, not bad for an amateur"
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)
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-- Game over, print the goodbye message
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print_balance(
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balance,
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"Too bad, you are in the hole. Come again.",
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"Congratulations---you came out a winner. Come again.",
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"Congratulations---you came out even, not bad for an amateur"
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)
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end
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