import random
import time

def welcome():

    print("Welcome to Dr Hey and Dr Yo!")

    for i in range(5):
        print("Hey Yo!!")


def pause(t):
    time.sleep(t)
    
#this function returns either "Hey!" or "Yo!"

def getScreamWord():

    rand = random.randint(0,10)

    if rand > 5:

        return "Hey!"

    else:

        return "Yo!"


#it figures out whose volume to update if the word is "Yo!"

def updateVolume(player, screamWord):

    global vol1,vol2
    print(f"{player} screamed {screamWord}!")
    if player == "Dr Hey" and screamWord == "Yo!":
        vol1 = vol1+1 #update Dr Hey's volume

    if player == "Dr Yo" and screamWord == "Yo!":
        vol2 = vol2+1 #update Dr Yo's volume

    pause(1)

def determineWinner():

    if vol1>vol2:

        print(f"Dr Hey is the winner. Volume: {vol1}")

    elif vol2>vol1:

        print(f"Dr Yo is the winner. Volume: {vol2}")

    else:

        print(f"It's a Draw! {vol1}")

def game():
    global vol1, vol2

    vol1 = 0
    vol2 = 0
    
    #while neither volume is greater than the target, scream!!
    while vol1 < 5 and vol2 < 5:

        #Dr Hey screams a word
        word = getScreamWord()
        updateVolume("Dr Hey", word)

        #Dr Yo screams a word
        word = getScreamWord()
        updateVolume("Dr Yo", word)

    
    #end of screaming, determine the winner
    determineWinner()

#main program, welcome then start the game!
def main():

    welcome()
    pause(3)
    game()

#call main to start the program!
main()