code: def create_pipeline(self, input_parameters, project):
          
          route_values = {}
          if project is not None:
              route_values['project'] = self._serialize.url('project', project, 'str')
          content = self._serialize.body(input_parameters, 'CreatePipelineParameters')
          response = self._send(http_method='POST',
                                location_id='28e1305e-2afe-47bf-abaf-cbb0e6a91988',
                                version='5.1-preview.1',
                                route_values=route_values,
                                content=content)
          return self._deserialize('Pipeline', response)
docs: CreatePipeline.
          [Preview API]
          :param :class:`<CreatePipelineParameters> <azure.devops.v5_1.pipelines.models.CreatePipelineParameters>` input_parameters:
          :param str project: Project ID or project name
          :rtype: :class:`<Pipeline> <azure.devops.v5_1.pipelines.models.Pipeline>`