funtion that generate random words with random length using only letters

import random

#this function takes a random word from a list and capitalize it
def random_words(words):
  return random.choice(words).capitalize()

#this function makes a random lenght
def length(words):
  return len(random_words(words))

#this function counts how many times the letter 'a' apears in the random word
def count_a(words):
  sum = 0
  for i in random_words(words):
    if i == 'a':
      sum = sum + 1
  return sum

#this function makes a list of random words with random lenght
def random_list(words):
  list = []
  for i in range(10):
    list.append(random_words(words))
  return list

#this function counts how many times the letter 'a' apears in the random word
def count_a(words):
  sum = 0
  for i in random_words(words):
    if i == 'a':
      sum = sum + 1
  return sum

#this