simple hangman game in python programming language

hangman_game

import random,time,os,hangman_pic
def exit_question():
   answer=input("do you wanna play again.Y/N:")
   if answer.upper()=="N":
      print("See you later bro")
      time.sleep(2)
      exit()
   else:
      game()
def chose_letter(num):
   question=random.randint(0,num)
   return question  
def interruption():
   print("Bye")
   time.sleep(1)
   exit()
def game():
   right,counter=3,1
   guess=" "
   newgame=False    
   while (newgame is False):   
      life=7
      question=chose_letter(len(wordlist1)-1)
      charlist=list(wordlist1[question]) 
      print ("Welcome to hangman game!!")
      time.sleep(1.5)
      while life>0 and right>0:
         try:
            if len(letterlist)==len(set(wordlist1[question])):
               exit_question()            
            os.system('cls')
            for char in wordlist1[question]:
               if char not in letterlist:
                  print("_ ", end=" ") 
               else:
                  print(char+" ",end=" ")      
            letter=input("\n\nMake your guess or choose letter {}: ".format(8-life) )
            if len(letter)==1 and letter in charlist:
               letterlist.append(letter)
               print("Great job!!")
               time.sleep(1)
            elif len(letter)==1 and letter not in charlist:
               life=life-1
               print ("you wasted,remaining joker {}".format(life))
               print(hangman_pic.HANGMAN[7-life])
               time.sleep(3)
            elif len(letter)>1 and letter!=wordlist1[question]:
               guesslist.append(letter)
               right=right-1
               print("Wrong mate!!try again,remaining guess {}".format(right))
               time.sleep(3)
         except KeyboardInterrupt: 
            print("h")              
      exit_question()         
if __name__=="__main__":
   global wordlist1
   wordlist1=['erdem','computer','rifle','missing','poetr','accountant']
   guesslist,letterlist,charlist=[],[],[]
   game()