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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 _get_and_verify_certificate_chain( server_info: ServerConnectivityInfo, trust_store: TrustStore ) -> Tuple[List[Certificate], str, Optional[OcspResponse]]: """Connects to the target server and uses the supplied trust store to validate the server's certificate. Returns the server's certificate and OCSP response. """

        ssl_connection = server_info.get_preconfigured_ssl_connection(ssl_verify_locations=trust_store.path)

        # Enable OCSP stapling
        ssl_connection.ssl_client.set_tlsext_status_ocsp()

        try:  # Perform the SSL handshake
            ssl_connection.connect()

            ocsp_response = ssl_connection.ssl_client.get_tlsext_status_ocsp_resp()
            x509_cert_chain = ssl_connection.ssl_client.get_peer_cert_chain()
            (_, verify_str) = ssl_connection.ssl_client.get_certificate_chain_verify_result()

        except ClientCertificateRequested:  # The server asked for a client cert
            # We can get the server cert anyway
            ocsp_response = ssl_connection.ssl_client.get_tlsext_status_ocsp_resp()
            x509_cert_chain = ssl_connection.ssl_client.get_peer_cert_chain()
            (_, verify_str) = ssl_connection.ssl_client.get_certificate_chain_verify_result()

        finally:
            ssl_connection.close()

        # Parse the certificates using the cryptography module
        parsed_x509_chain = [load_pem_x509_certificate(x509_cert.as_pem().encode('ascii'), backend=default_backend())
                             for x509_cert in x509_cert_chain]
        return parsed_x509_chain, verify_str, ocsp_response