roulette

#Roulette, limited to only placing bets on Black/Red
import random
current_money = float(initial_bankroll)
bet_amount = 0
def main():
    initial_bankroll = bankroll()
    print("Your bankroll is", "$" + str(initial_bankroll))
    game_mode = type_of_game()
    print()
    print()
    if game_mode == "regular":
        play_regular()
    elif game_mode == "algorithm":
        play_algorithm()
    else:
        print("Invalid game mode selection")
        print()

    print("Current bankroll: $", str(current_money))


def determine_winning(selection):

    random_number = random.randrange(1,39)
    if selection == "red":
        selection = random_number <= 17
        if selection:
            outcome = "You have won by landing on Red", str(random_number) + "/38)"

        elif selection == 38:
            outcome = "You have lost by landing on the Green 0"

        else:
            outcome = "You have lost by landing on Black", str(random_number) + "/38"


        return outcome

    if selection == "black":
        selection = 17<random_number<38
        if selection:
            outcome = "You have lost by landing on Red", str(random_number) + "/38)"

        elif selection == 38:
            outcome = "You have lost by landing on the Green 0"

        else:
            outcome = "You have won by landing on Black", str(random_number) + "/38"


        return outcome

def current_bank_roll():
    return current_money

def number_of_games_played():
    pass



def play_regular():
    print()
    print("!" * len("Game mode is Regular"))
    print("Game mode is Regular")
    print("!" * len("Game mode is Regular"))
    print()
    print()
    bet_amount = float(input("How much do you want to bet? :"))
    print("You have bet: $" + str(bet_amount))
    print()
    color_picked = pick_a_color()
    print()
    print("!" * (len("You have selected: ") + len(color_picked)))
    print("You have selected:", color_picked[0].upper() + color_picked[1:])
    print("!" * (len("You have selected: ") + len(color_picked)))
    print()
    print("(Red are all numbers from 1 through and including 17)")
    print("(Black are all numbers from 18 through and including 37)")
    print("(The Green zero is the number 38)")
    print()
    print("!!!!!",determine_winning(color_picked),"!!!!!")
    current_money = current_money - bet_amount
def play_algorithm():
    print("Game mode is Algorithm")

def pick_a_color():
    option = input("Enter a color. (Enter Red or Black): ")
    option = option.lower().strip()
    return option

def change_color():
    pass

def color_win_streak():
    pass

def bankroll():
    return float(input("Enter bankroll amount: "))

def type_of_game():
    print()
    option = input("Would you like to play a regular game of Roulette, or play using the color changing algorithm? (Enter Regular/Algorithm): ")
    option = option.lower().strip()
    return option

main()