[
  {
    "url": "https://docs.python.org/3/tutorial/datastructures.html#more-on-lists",
    "description": "data structure: lists"
  },
  {
    "url": "https://en.wikipedia.org/wiki/Timsort",
    "description": "Timsort algorithm"
  },
  {
    "url": "https://docs.python.org/3/library/functions.html#sorted",
    "description": "sorted method"
  },
  {
    "url": "https://docs.python.org/3/howto/sorting.html",
    "description": "Sorting: How To"
  }
]
