it says done is not defined please help

import random
import os
import sys

Words=["sunny",
       "cold",
       "computer",
       "speaker",
       "mat",
       "apple",
       "figue",
       "magnet",
       "keyboard",

]

def clear():
    if os.name =="nt":
        os.system("cls")
    else:
        os.system("clear")

def gap():
    print("")

def draw():

    clear()


    print("strikes:{}/5".format(len(bad_guess)))


    for letter in bad_guess:
        print(letter,end=" ")
    print("\n\n")


    for letter in Random_Word:
        if letter in good_guess:
            print(letter,end="")
        else:
            print(" _",end="")
    gap()

def get_guess(bad_guess,good_guess):

    while True:

        guess=input("guess a letter ").lower()

        if len(guess) !=1:
            print("you can only ges a single letter")
            continue
        elif guess in bad_guess or guess in good_guess:
            print("you have already used that letter")
            continue
        else:
            return guess

def play(done):
    clear()
    Random_Word=random.choice(Words)
    bad_guess=[]
    good_guess=[]

    while True:
        draw(bad_guess,good_guess,Random_Word)
        guess=get_guess(bad_guess,good_guess)

        if guess in Random_word:
            good_guess.append(guess)
            found=True

            for letter in Random_word:
                if letter not in good_guess:
                    found=False

                if found:
                    print("YOU WIN!! ")
                    print("The word was {} ".format(Random_Word))
                    done= True

        else:
            bad_guess.append(guess)
            if len(bad_guess)==5:
                draw(bad_guess,good_guess,Random_Word)
                print("YOU LOST!! ")
                print("The word was {} ".format(Random_Word))
                done=True

        if done:
            play_again = input('Play again? [y]/n ').lower()
            if play_again != 'n':
                return play(done=False)
            else:
                sys.exit()

def welcome():
    yes_or_no=input("world you like to play this game('yes' or 'no')")
    if yes_or_no=="yes":
        done=False
    else:
        done=True

print("Welcome to letter guessing game!! ")
while True:
    clear()
    welcome()
    play(done)