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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 prepare_soap_envelope(self, prepared_soap_header, prepared_soap_body):
 """Prepare the SOAP Envelope for sending. Args: prepared_soap_header (str):
 A SOAP Header prepared by `prepare_soap_header` prepared_soap_body (str):
 A SOAP Body prepared by `prepare_soap_body` Returns: str: A prepared SOAP Envelope """


        # pylint: disable=bad-continuation
        soap_env_template = (
            '<?xml version="1.0"?>'
            '<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"'
            ' s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">'
                '{soap_header}'
                    '<s:Body>'
                        '{soap_body}'
                    '</s:Body>'
            '</s:Envelope>')  # noqa PEP8
        return soap_env_template.format(
            soap_header=prepared_soap_header,
            soap_body=prepared_soap_body)