def PrintMenu() -> int:
    """
    Prints in console the menu of the app.
    """
    option = 0
    print("Select an option from the ones below")
    print("1 - Simple Permutation.\n2 - Simple Variation.\n3 - Simple Combination.")
    print("4 - Compound Permutation.\n5 - Compound Variation.\n6 - Compound Combination.")
    try:
        option = int(input("Your option: "))
    except Exception as e:
        print(f"Error: {e}")
    finally:
        return option