Hangman Game using Python

import random
import winsound
freq=300
distri=2000
words='''mango,strawberry,apple,litchi,orange,guava,pear,grapes,pomegrante,pineapple,blueberry,papaya,coconut,banana,watermelon'''
#we entered some fruits in the words variable from where we will select random word using the random module
a=words.split(',')
choice=random.choice(a)
chances=len(choice)+2
guesses=''
letterguessed=''
name=str(input("Enter your name "))
print(f"Hello {name}!,Let's play! Guess the letters of a word within {chances} chances Hint: It is a fruit")
while chances>0: #while chances are greater than 0
    failed=0
    letter=str(input(" Enter a letter ")) #input to guess the letter
    guesses+=letter
    if not letter.isalpha() or len(letter)>1: #We will simply throw an error when anything entered other than a single letter
        print("Error! please enter only a letter")
    if letter in choice:
        if letter in letterguessed:
             print("You already guessed that letter!") # for letter already guessed
        k=choice.count(letter)
        for _ in range(k):
            letterguessed+=letter
    for char in choice:
        if char in guesses and len(letter)<=1:
            print(char,end="")
        else:
            print('_ ',end="")
            failed+=1
    if failed==0:
        print(" \nYou won!")
        winsound.Beep(freq,distri)
        break
    if letter not in choice and len(letter)<=1 and letter.isalpha():
        chances-=1
        if chances==0:
            print(" \n You lost!")