##############################################################################
# Parte do livro Introdução à Programação com Python
# Autor: Nilo Ney Coutinho Menezes
# Editora Novatec (c) 2010-2024
# Quarta Edição - Março/2024 - ISBN 978-85-7522-886-9
#
# Site: https://python.nilo.pro.br/
#
# Arquivo: capítulo 08/08.06 - Função modificada para facilitar o rastreamento.py
##############################################################################
def fatorial(n):
    print(f"Calculando o fatorial de {n}")
    if n == 0 or n == 1:
        print(f"Fatorial de {n} = 1")
        return 1
    else:
        fat = n * fatorial(n - 1)
        print(f" fatorial de {n} = {fat}")
    return fat


fatorial(4)