Polygon_Area_Calc_Readme.ipynb

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    "### Assignment\n",
    "\n",
    "In this project you will use object oriented programming to create a Rectangle class and a Square class. The Square class should be a subclass of Rectangle and inherit methods and attributes.\n",
    "\n",
    "#### Rectangle class\n",
    "When a Rectangle object is created, it should be initialized with `width` and `height` attributes. The class should also contain the following methods:\n",
    "* `set_width`\n",
    "* `set_height`\n",
    "* `get_area`: Returns area (`width * height`)\n",
    "* `get_perimeter`: Returns perimeter (`2 * width + 2 * height`)\n",
    "* `get_diagonal`: Returns diagonal (`(width ** 2 + height ** 2) ** .5`)\n",
    "* `get_picture`: Returns a string that represents the shape using lines of \"\\*\". The number of lines should be equal to the height and the number of \"\\*\" in each line should be equal to the width. There should be a new line (`\\n`) at the end of each line. If the width or height is larger than 50, this should return the string: \"Too big for picture.\".\n",
    "* `get_amount_inside`: Takes another shape (square or rectangle) as an argument. Returns the number of times the passed in shape could fit inside the shape (with no rotations). For instance, a rectangle with a width of 4 and a height of 8 could fit in two squares with sides of 4.\n",
    "\n",
    "Additionally, if an instance of a Rectangle is represented as a string, it should look like: `Rectangle(width=5, height=10)`\n",
    "\n",
    "#### Square class\n",
    "The Square class should be a subclass of Rectangle. When a Square object is created, a single side length is passed in. The `__init__` method should store the side length in both the `width` and `height` attributes from the Rectangle class.\n",
    "\n",
    "The Square class should be able to access the Rectangle class methods but should also contain a `set_side` method. If an instance of a Square is represented as a string, it should look like: `Square(side=9)`\n",
    "\n",
    "Additionally, the `set_width` and `set_height` methods on the Square class should set both the width and height.\n",
    "\n",
    "#### Usage example\n",
    "```py\n",
    "rect = shape_calculator.Rectangle(10, 5)\n",
    "print(rect.get_area())\n",
    "rect.set_height(3)\n",
    "print(rect.get_perimeter())\n",
    "print(rect)\n",
    "print(rect.get_picture())\n",
    "\n",
    "sq = shape_calculator.Square(9)\n",
    "print(sq.get_area())\n",
    "sq.set_side(4)\n",
    "print(sq.get_diagonal())\n",
    "print(sq)\n",
    "print(sq.get_picture())\n",
    "\n",
    "rect.set_height(8)\n",
    "rect.set_width(16)\n",
    "print(rect.get_amount_inside(sq))\n",
    "```\n",
    "That code should return:\n",
    "```\n",
    "50\n",
    "26\n",
    "Rectangle(width=10, height=3)\n",
    "**********\n",
    "**********\n",
    "**********\n",
    "\n",
    "81\n",
    "5.656854249492381\n",
    "Square(side=4)\n",
    "****\n",
    "****\n",
    "****\n",
    "****\n",
    "\n",
    "8\n",
    "```\n",
    "\n",
    "The unit tests for this project are in `test_module.py`.\n",
    "\n",
    "### Development\n",
    "\n",
    "Write your code in `shape_calculator.py`. For development, you can use `main.py` to test your `shape_calculator()` function. Click the \"run\" button and `main.py` will run.\n",
    "\n",
    "### Testing \n",
    "\n",
    "We imported the tests from `test_module.py` to `main.py` for your convenience. The tests will run automatically whenever you hit the \"run\" button.\n",
    "\n",
    "### Submitting\n",
    "\n",
    "Copy your project's URL and submit it to freeCodeCamp.\n"
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