card game

import random as rnd

total = 100
#Write your game of chance functions here
#bet validator - checks that a valid bet is being placed
def bet_val(bet):
    if bet <= 0:
        print("No valid funds")
        return False
    elif bet > total:
        print("you can't bet more than you have!")
        return False
    else:
        return True
#end of bet validator

#function for a coin toss
def coin_flip(bet, guess):
    valid_bet = bet_val(bet)
    result = rnd.randint(1,2)
    if result == 1 and valid_bet == True:
        print("you toss the coin!")
        print("the coin landed on heads")
    elif result == 2 and valid_bet == True:
        print("you toss the coin!")
        print("the coin landed on tails")
    elif valid_bet == False:
        print("               ")
        print("invalid bet, game cancelled")
        return bet * 0

    if (guess == "heads" and result == 1) or (guess == "tails" and result == 2):
        print("you win " + str(bet) + " dollars!")
        return bet
    else:
        print("you lose -" + str(bet) + " dollars! :(")
        return -bet
#end of coin toss
#cho han game code
def chohan(bet, guess):
    valid_bet = bet_val(bet)
    if valid_bet == False:
        print("               ")
        print("invalid bet, bet cancelled")
        return bet * 0
    print("you guessed " + guess)
    print("you roll the dice!")
    dice1 = rnd.randint(1,6)
    dice2 = rnd.randint(1,6)
    print(" the dice land on: " + str(dice1) + " & " + str(dice2))
    if (dice1 + dice2) % 2 == 0 and guess == "even":
        print("the results are even and you guessed " + guess)
        return bet
    else:
        print("the results are odd and you guessed " + guess)
        return -bet
#end of chohan
#cards code
def cards(bet):
    valid_bet = bet_val(bet)
    if bet_val == True:
        print("you bet " + str(bet) + " good luck!")
    else:
        print("no valid bet placed.... game cancelled.")
        return bet * 0
    print("player 1 pick a card...")
    p1card = rnd.randint(1,10)
    print("player 1 you picked " + str(p1card) )
    print("               ")
    print("player 2 pick a card...")
    p2card = rnd.randint(1,10)
    print("player 2 you picked " + str(p2card) )
    print("               ")
    if p1card == p2card:
        print ("its a draw! half winnings each")
        return bet/2
    elif p1card > p2card:
        print ("player 1 wins!")
        return bet
    elif p2card > p1card:
        print ("player 2 wins!")
        return -bet
#end of cards
#roullette code
def roulette(bet, guess_odd):
    print("               ")
    print("you bet " + str(bet) + " on " + str(guess_odd))
    spin = rnd.randint(1, 37)
    if spin < 37 and guess_odd == "odd" and spin % 2 != 0:
        print("the wheel landed on " + str(spin))
        print("DING DING JACKPOT!")
        return bet
    elif spin < 37 and guess_odd == "even" and spin % 2 == 0:
        print("the wheel landed on " + str(spin))
        print("DING DING JACKPOT!")
        return bet
    elif spin == 37:
        print("the wheel landed on zero, house wins!")
        return -bet
    else:
        print("Sorry, better luck next time!")
        return -bet

#end of roulette




# test code

total += coin_flip(-10, "heads")
print("you have $" + str(total) + " remaining")
print(" ")
total += coin_flip(-15, "tails")
print("you have $" + str(total) + " remaining")
print(" ")
total +=chohan(-10, "odd")
print("you have $" + str(total) + " remaining")
print(" ")
total +=chohan(10, "even")
print("you have $" + str(total) + " remaining")
print(" ")
total += cards(-25)
print("you have $" + str(total) + " remaining")
print(" ")
total += roulette(25 , "odd")
print("you have $" + str(total) + " remaining")


print(" ")
print(total)


#Call your game of chance functions here