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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 after_start_check(self):
 """Check if defined URL returns expected status to a HEAD request."""

        try:
            conn = HTTPConnection(self.host, self.port)

            conn.request('HEAD', self.url.path)
            status = str(conn.getresponse().status)

            if status == self.status or self.status_re.match(status):
                conn.close()
                return True

        except (HTTPException, socket.timeout, socket.error):
            return False