code: def API_GET(self, courseid, taskid, submissionid):  # pylint: disable=arguments-differ
          
          with_input = "input" in web.input()
  
          return _get_submissions(self.course_factory, self.submission_manager, self.user_manager, self.app._translations, courseid, taskid, with_input, submissionid)
docs: List all the submissions that the connected user made. Returns list of the form
  
              ::
  
                  [
                      {
                          "id": "submission_id1",
                          "submitted_on": "date",
                          "status" : "done",          #can be "done", "waiting", "error" (execution status of the task).
                          "grade": 0.0,
                          "input": {},                #the input data. File are base64 encoded.
                          "result" : "success"        #only if status=done. Result of the execution.
                          "feedback": ""              #only if status=done. the HTML global feedback for the task
                          "problems_feedback":        #only if status=done. HTML feedback per problem. Some pid may be absent.
                          {
                              "pid1": "feedback1",
                              #...
                          }
                      }
                      #...
                  ]
  
              If you use the endpoint /api/v0/courses/the_course_id/tasks/the_task_id/submissions/submissionid,
              this dict will contain one entry or the page will return 404 Not Found.