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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 _parse(yr, mo, day):
 """ Basic parser to deal with date format of the Kp file. """

    
    yr = '20'+yr
    yr = int(yr)
    mo = int(mo)
    day = int(day)
    return pds.datetime(yr, mo, day)