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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_period_error(data, period):
 """ Check for Period Error. This method checks if the developer is trying to enter a period that is larger than the data set being entered. If that is the case an exception is raised with a custom message that informs the developer that their period is greater than the data set. """

    period = int(period)
    data_len = len(data)
    if data_len < period:
        raise Exception("Error: data_len < period")