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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 extractDates(self, inp):
 """Extract semantic date information from an input string. In effect, runs both parseDay and parseTime on the input string and merges the results to produce a comprehensive datetime object. Args: inp (str):
 Input string to be parsed. Returns: A list of datetime objects containing the extracted dates from the input snippet, or an empty list if not found. """

        def merge(param):
            day, time = param
            if not (day or time):
                return None

            if not day:
                return time
            if not time:
                return day

            return datetime.datetime(
                day.year, day.month, day.day, time.hour, time.minute
            )

        days = self.extractDays(inp)
        times = self.extractTimes(inp)
        return map(merge, zip_longest(days, times, fillvalue=None))