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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 render(self, datestring):
 """Parses a date-like string into a timezone aware Python datetime."""

        formats = ["%Y-%m-%dT%H:%M:%S.%f", "%Y-%m-%d %H:%M:%S.%f",
                   "%Y-%m-%dT%H:%M:%S", "%Y-%m-%d %H:%M:%S"]
        if datestring:
            for format in formats:
                try:
                    parsed = datetime.strptime(datestring, format)
                    if not timezone.is_aware(parsed):
                        parsed = timezone.make_aware(parsed, timezone.utc)
                    return parsed
                except Exception:
                    pass
        return None