code: def read_json_sensor_file(ffp):
      
      sensor_path = ffp
      si = json.load(open(sensor_path))
      for m_type in si:
          # Convert keys from strings to integers
          si[m_type] = {int(k): v for k, v in si[m_type].items()}
      return si
docs: Reads the sensor file and stores it as a dictionary.
  
      :param ffp: full file path to json file
      :return: