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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 WSDLUriToVersion(self, uri):
 """Return the WSDL version related to a WSDL namespace uri."""

        value = self._wsdl_uri_mapping.get(uri)
        if value is not None:
            return value
        raise ValueError(
            'Unsupported SOAP envelope uri: %s' % uri
            )