Out Of This Word Error

import random

WORDS = ("treehouse", "python", "learner")

def prompt_for_words(challenge): guesses = set() print("What words can you find in this word '{}'".format(challenge)) print("Enter Q to Quit") While True: guess = input("{} words > ".format(len(guesses))) if guess.upper() == 'Q': break guesses.add(guess.lower()) return guesses

def output_results(results): for word in results: print("* " + word)

challenge_word = random.choice(WORDS)

player1_words = prompt_for_words(challenge_word) player2_words = prompt_for_words(challenge_word)

print("Player 1 Results:") player1_unique = player1_words - player2_words print("{} guesses, {} unique".format(len(player1_words),len(player2_words))) output_results(player1_unique) print("-" * 10) player2_unique = player2_words - player1_words print("{} guesses, {} unique".format(len(player2_words),len(player1_words))) output_results(player2_unique) print("-" * 10) print("Shared guesses:") shared_words = player1_words & player2_words output_results(shared_words)

This is my Code and i am getting an syntax error don't know why !!!! treehouse:~/workspace$ python out_of_this_word.py
File "out_of_this_word.py", line 12
While true:
^
SyntaxError: invalid syntax