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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 getUTCDatetimeDOY(days=0, hours=0, minutes=0, seconds=0):
 """getUTCDatetimeDOY -> datetime Returns the UTC current datetime with the input timedelta arguments (days, hours, minutes, seconds) added to current date. Returns ISO-8601 datetime format for day of year: YYYY-DDDTHH:mm:ssZ """

    return (datetime.datetime.utcnow() + 
        datetime.timedelta(days=days, hours=hours, minutes=minutes, seconds=seconds)).strftime(DOY_Format)