hangaman in python,with words importing from a file

Hangaman 1.0.py

'''
let's design  the code for hangman.


'''

import time
import random

def secret_word():
    with open("answers.txt","r") as f:
        wordlist = f.read()
        wordlist= wordlist.split()
        big_words = []
        for words in wordlist:
            if len(words) == length:
                big_words.append(words)
    return random.choice(big_words)

def turn():
    return len(ans) + 3


name = input("what  is your name? \n ")
time.sleep(0.6)
length = int(input("choose  the length of the word [4-10]"))
ans = secret_word()
print(f"hi,{name} let's play hangman.")

print(f"you are about play guess a  {length} letter word ")

turns = turn()
guesses = ''


while turns > 0:
    guess = input("guess a character: ")
    guesses = guesses+guess
    fail = 0
    for char in ans:
        if char in guesses:
            print(char, end='')
        else:
            print('*', end='')
            fail += 1
    if fail == 0:
        print("\n you  won the game")
        break
    if guess not in ans:
        turns -= 1


if turns == 0:
    print("sorry, better luck next time")