import time
 
# Define o contador de funções decoradas:
decorated_functions = 0
 
# Definição do decorador:
def decorator(function):
 
    # Incrementa o contador:
    decorated_functions += 1
 
    # Inicializa o horário da última chamada:
    last_call = None
 
    # Define a função de retorno:
    def wrapper(*args, **kwargs):
 
        # Exibe e atualiza o horário da última chamada:
        print("Última chamada:", last_call)
        last_call = time.time()
 
        # Chama a função decorada:
        function(*args, **kwargs)
 
    return wrapper
 
@decorator
def foo():
    print("Foo executada")
 
foo()

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