1. Dumps are always json.dumps, not STR (dict)
  2. Loads (jsonstr), not eval(jsonstr)
  3. List (map(int, CSTR)); if numpy is used as nDARray, list(map(int, CSTR)) is required. If numpy is used as nDARray, list(map(int, CSTR)) is required. Average loads are enclosed in double quotes, such as {” A “: “1”… average loads are enclosed in quotes, loads are enclosed in… } json.loads fail.