import os

        #-----------------------#
        # create default values #
        #-----------------------#

workerCost = 100
money = 100
workers = 0
apples = 0
oaApples = 0
oaMoney = 0
difficulty = 0
validDifficulties = [0,1]
menuChoice = 0 # keep here so that while loop (menu) can run

        #--------------------#
        # start of menu code #
        #--------------------#

while menuChoice != 1:
    print("## Apple Picker ##")
    print("\n(1) Start game")
    print("(2) Change settings")
    print("(3) Change difficulty [Currently {0}]".format(difficulty))
    print("(4) Check current settings")
    print("Enter the choice number.")
    menuChoice = int(input("[>>] "))

    validChoices = [1,2,3,4]
    while menuChoice not in validChoices:
        print("That choice is invalid. Try again.")
        print("Enter the choice number.")
        menuChoice = int(input("[>>] "))

    if menuChoice == 1:
        os.system('cls')
        print("Starting game...")
        print("\n\nPress any key to start the game.")
        os.system('pause > nul')
        os.system('cls')

    elif menuChoice == 2:
        os.system('cls')
        print("What should the worker cost be? [Default: 100]")
        workerCost = int(input("[>>] ")) # change worker cost (still +20 each time worker is bought)
        print("What should the starting money be? [Default: 0]")
        money = int(input("[>>] ")) # change starting money amount from 0 to x
        print("What should be the starting workers be? [Default: 0]")
        workers = int(input("[>>] ")) # change starting workers from 0 to x
        print("What should the starting apples be? [Default: 0]")
        apples= int(input("[>>] ")) # change starting apples from 0 to x (useless)
        print("\n\nPress any key to return to the menu.")
        os.system('pause > nul')
        os.system('cls')

    elif menuChoice == 3:
        os.system('cls')
        print("Please choose game difficulty.")
        print("Hard: worker cost increases each time you buy a worker.")
        print("Easy: worker cost stays the same throughout.")
        print("1 = Hard")
        print("0 = Easy")
        difficultyChoice = int(input("[>>] "))
        if difficultyChoice == 1:
            difficulty = 1
            print("Difficulty set to hard. Good luck!")
        elif difficultyChoice == 0:
            difficulty = 0
            print("Difficulty set to easy. Good luck!")
        print("\n\nPress any key to return to the menu.")
        os.system('pause > nul')
        os.system('cls')

    elif menuChoice == 4:
        os.system('cls')
        print("Current game settings:")
        print("Worker cost: {0}".format(workerCost))
        print("Starting money: {0}".format(money))
        print("Starting workers: {0}".format(workers))
        print("Starting apples: {0}".format(apples))
        print("\n\nPress any key to return to the menu.")
        os.system('pause > nul')
        os.system('cls')

        #------------------#
        # end of menu code #
        #------------------#

print("Type 'p' to pick an apple.")
print("Type 's' to sell all apples.")
print("Type 'b' to buy x1 worker.")
print("Type 'q' to quit the game.")

while True: # keep this here to run the whole game repeatidly!

    choice = input("[>>] ")
    if choice == "p": # apple-pick section
        os.system('cls')
        apples = apples + 1 + workers
        oaApples = oaApples + 1 + workers
        print("You pick an apple. You have {0} apples.".format(apples))
        print("\n\nType 'p' to pick an apple.")
        print("Type 's' to sell all apples.")
        print("Type 'b' to buy x1 worker.")
        print("Type 'q' to quit the game.")

    elif choice == "s": # apple-sell section
        os.system('cls')
        money = money + apples * 3
        oaMoney = oaMoney + apples
        apples = 0
        print("You sell all apples. You have ${0}.".format(money))
        print("\n\nType 'p' to pick an apple.")
        print("Type 's' to sell all apples.")
        print("Type 'b' to buy x1 worker.")
        print("Type 'q' to quit the game.")

    elif choice == "b": # apple-buy section
        os.system('cls')
        if difficulty == 1: # if the difficulty is set to hard
            if money >= workerCost:
                workers = workers + 1
                workerCost = workerCost + 20
                money = money - workerCost
                print("You buy a worker for ${0}. You have {1} workers.".format(workerCost,workers))
            elif money < workerCost:
                print("You don't have enough money for a worker.")
        elif difficulty == 0: # if the difficulty is set to easy
            if money >= workerCost:
                workers = workers + 1
                money = money - workerCost
                print("You buy a worker for ${0}. You have {1} workers.".format(workerCost,workers))
            elif money < workerCost:
                print("You don't have enough money for a worker.")
        print("\n\nType 'p' to pick an apple.")
        print("Type 's' to sell all apples.")
        print("Type 'b' to buy x1 worker.")
        print("Type 'q' to quit the game.")

    elif choice == "q":
        os.system('cls')
        print("Thanks for playing.")
        print("You achieved:")
        print("{0} workers.".format(workers))
        print("{0} over-all money.".format(oaMoney))
        print("{0} over-all apples.".format(oaApples))
        if workers > 200:
            print("You offically have no life.")
        print("\n\nPress any key to quit.")
        os.system('pause > nul')
        exit()