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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def randomnum(minimum=1, maximum=2, seed=None):
 """ Generate a random number. :type minimum: integer :param minimum: The minimum number to generate. :type maximum: integer :param maximum: The maximum number to generate. :type seed: integer :param seed: A seed to use when generating the random number. :return: The randomized number. :rtype: integer :raises TypeError: Minimum number is not a number. :raises TypeError: Maximum number is not a number. 42 """


    if not (isnum(minimum)):
        raise TypeError("Minimum number is not a number.")

    if not (isnum(maximum)):
        raise TypeError("Maximum number is not a number.")

    if seed is None:
        return random.randint(minimum, maximum)

    random.seed(seed)
    return random.randint(minimum, maximum)