Hangman game now can be start over after one round

Hangman/hangman.py

@@ -1,55 +1,71 @@
-from hangman_art import logo , stages
+from hangman_art import logo, stages
 from hangman_words import wordlist
 import random
 
 # get random word from hangman_words
 random_word = random.choice(wordlist)
 word_len = len(random_word)
+user_quit = False
 
-print(logo)
-print('This is your word.Try to guess it!!')
-print('Word : ',end =" ")
 
-guess_word = ['_'] * word_len
-print(*guess_word)
+def is_invalid_input(let):
+	return let.isdigit() or len(let) != 1
 
-chances = 6
-end_of_game = False
 
-# game logic
-while not end_of_game and chances != 0:
+while not user_quit:
+	print(logo)
+	print('This is your word.Try to guess it!!')
+	print('Word : ', end=" ")
 
-	flag = 0
-	letter = input('\n\nGuess a letter: ').lower()
+	guess_word = ['_'] * word_len
+	print(*guess_word)
 
-	if (letter.isdigit() or len(letter) != 1):
-		print('Please enter single letter (Numbers not allowed)')
-		continue
+	chances = 6
+	end_of_game = False
 
-	if letter in guess_word:
-		print(f"You've already guessed {letter}")
+	# game logic
+	while not end_of_game and chances != 0:
+		flag = 0
+		letter = input('\n\nGuess a letter: ').lower()
 
-	for i in range(word_len):
-		if random_word[i] == letter:
-			guess_word[i] = letter
-			flag = 1
+		if is_invalid_input(letter):
+			print('Please enter single letter (Numbers not allowed)')
+			continue
 
-	if '_' not in guess_word:
-		end_of_game = True
-		print('\nCongo!! You won. :)')
-		break
+		if letter in guess_word:
+			print(f"You've already guessed {letter}")
 
-	if flag == 0:
-		print(f"You guessed {letter}, that's not in the word. You lose a life")
-		chances -= 1
-
-	print('Guessed Word : ',end =" ")	
-	print(*guess_word)
-	print(stages[6-chances])
-
-else:
-	print('\nYou lost :(\nCorrect word:',random_word)
+		for i in range(word_len):
+			if random_word[i] == letter:
+				guess_word[i] = letter
+				flag = 1
+
+		if '_' not in guess_word:
+			end_of_game = True
+			print('\nCongo!! You won. :)')
+			break
 
+		if flag == 0:
+			print(f"You guessed {letter}, that's not in the word. You lose a life")
+			chances -= 1
 
+		print('Guessed Word : ', end=" ")
+		print(*guess_word)
+		print(stages[6 - chances])
 
+	else:
+		print('\nYou lost :(\nCorrect word:', random_word)
 
+	while not user_quit:
+		user_input = input('Do you want to play again? (y/n)')
+		if not is_invalid_input(user_input):
+			user_input = user_input.strip().lower()
+			if user_input=='y' :
+				break
+			elif user_input == 'n':
+				user_quit =True
+				print('Goodbye!')
+			else:
+				print('wrong input, please enter y or n')
+		else:
+			print('wrong input, please enter y or n')