Number guessing game v0.7

import random

def generate_random_number():
    random_number = random.randint(1,100)
    return random_number

def capture_guess():
    guess = input("Guess a number between 1 and 100: ")
    return guess

def validate_input(guess):
    while True:
        try:
            guess = int(guess)
            while guess <1 or guess > 100:
                print("The number must be between 1 and 100.")
                guess = int(input("Guess a number: "))
            break
        except ValueError:
            print("You must input a integer value!")
            guess = input("Guess a number between 1 and 100: ")
    return guess

def evaluate_user_guess(guess, random_number):
    if guess > random_number:
        guess = int(input("lower: "))
    elif guess < random_number:
        guess = int(input("higher: "))
    return guess

def guess_random_number(guess, random_number):
    attempts = 1
    while guess != random_number:
        guess = evaluate_user_guess(guess, random_number)
        attempts += 1
    return attempts

def final_output(attempts):
    print("Well done!")
    print("You guessed the random number in",  attempts, "attempts.")

random_number = generate_random_number()
guess = validate_input(capture_guess())
attempts = guess_random_number(guess, random_number)
final_output(attempts)