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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 reconstruct_full_url(self, port_override=None):
 """Reconstruct the full URL of a request. This is based on the URL reconstruction code in Python PEP 333: http://www.python.org/dev/peps/pep-0333/#url-reconstruction. Rebuild the hostname from the pieces available in the environment. Args: port_override: str, An override for the port on the returned full URL. Returns: The full URL from the request, including the URL scheme. """

    return '{0}://{1}{2}'.format(self.url_scheme,
                                  self.reconstruct_hostname(port_override),
                                  self.relative_url)