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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 from_analysis_period(cls, analysis_period, clearness=1, daylight_savings_indicator='No'):
 """"Initialize a OriginalClearSkyCondition from an analysis_period"""

        _check_analysis_period(analysis_period)
        return cls(analysis_period.st_month, analysis_period.st_day, clearness,
                   daylight_savings_indicator)