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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 check_for_input_len_diff(*args):
 """ Check for Input Length Difference. This method checks if multiple data sets that are inputted are all the same size. If they are not the same length an error is raised with a custom message that informs the developer that the data set's lengths are not the same. """

    arrays_len = [len(arr) for arr in args]
    if not all(a == arrays_len[0] for a in arrays_len):
        err_msg = ("Error: mismatched data lengths, check to ensure that all "
                   "input data is the same length and valid")
        raise Exception(err_msg)