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.
When a Rectangle object is created, it should be initialized with `width` and `height` attributes. The class should also contain the following methods:
-`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.".
-`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.
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.
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)`
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.
