01-ticket-prices/ticket-pricing-question.ipynb

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   7     "# Ticket pricing\n",
   8     "\n",
   9     "You've been shopping around for a holiday package deal and its time to make your choice of which deal to go with. The file [01-holidays.txt](01-holidays.txt) contains a summary of your investigations. \n",
  10     "\n",
  11     "It's a simple text file, with one possible holiday package per line.\n",
  12     "\n",
  13     "Each line has four fields, separated by spaces. They are:\n",
  14     "* The deal ID, from the price comparison website you found it.\n",
  15     "* The holiday price, in whole pounds.\n",
  16     "* The location of the holiday, always a single word.\n",
  17     "* The number of nights you'd be staying. \n",
  18     "\n",
  19     "For example, the data file might look like this:\n",
  20     "\n",
  21     "```\n",
  22     "db61bb90 769 Morgantown 3\n",
  23     "202c898b5f 1284 Morgantown 21\n",
  24     "def36ffcd 1514 Giessenmestia 21\n",
  25     "389018bd0707 1052 Estacada 21\n",
  26     "a487c4270 782 Geoje-Si 14\n",
  27     "6caf2584a55 724 Stonington-Island 14\n",
  28     "199608abc5 1209 Nordkapp 21\n",
  29     "```"
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  36     "## Part 1\n",
  37     "You have a budget of £1200. How many of the holidays can you afford?\n",
  38     "\n",
  39     "Given the example data above, you could afford four of the holidays: the trips to Estacada, Geoje-Si and Stonnington-Island, and the three-day trip to Morgantown. \n",
  40     "\n",
  41     "The 21 day trip to Morgantown and the trips to  Giessenmestia and Nordkapp are all too expensive."
  42    ]
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  48     "# Part 2\n",
  49     "You don't just want _a_ holiday. You want the _best_ holiday. What is the code of the holiday which would give you the best value?\n",
  50     "\n",
  51     "The \"value\" of a holiday is the duration per pound. Because some destinations are better than others, you'll want to scale the value for some locations. For instance, a night in Timbuktu is worth three times as much as a holiday in Bletchley.\n",
  52     "\n",
  53     "Assume all holidays have a relative value of 1, apart from these destinations.\n",
  54     "\n",
  55     "| Destination | Score |\n",
  56     "|-------------|-------|\n",
  57     "| Almaty | 2.0 |\n",
  58     "| Brorfelde | 0.9 |\n",
  59     "| Estacada | 0.4 |\n",
  60     "| Jayuya | 0.6 |\n",
  61     "| Karlukovo | 2.2 |\n",
  62     "| Morgantown | 2.9 |\n",
  63     "| Nordkapp | 1.5 |\n",
  64     "| Nullarbor | 2.2 |\n",
  65     "| Puente-Laguna-Garzonkuala-Penyu | 0.4 |\n",
  66     "| Uzupis | 0.9 |\n",
  67     "\n",
  68     "## Example\n",
  69     "\n",
  70     "Given the holiday list above, the holiday to Geoje-Si (with the standard weighting of 1) has a value of $\\frac{14}{782} = 0.0179$ nights per pound. \n",
  71     "\n",
  72     "The trip to Estacada looks promising, at $\\frac{21}{1052} = 0.0200$ nights per pound. Unfortunately, the weighting for Estacada is low, to the adjusted cost is $0.4 \\times \\frac{21}{1052} = 0.00798$ nights per pound.\n",
  73     "\n",
  74     "The best value holiday is the 21 day trip to Morgantown, with a value of $2.9 \\times \\frac{21}{1284} = 0.0474$ nights per pound. Unfortunately, it's unaffordable. \n",
  75     "\n",
  76     "The best value affordable holiday is the trip to Stonnington Island, with $\\frac{14}{1284} = 0.0193$ nights per pound."
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