PyGUI - Container class

# class `Container(Component)`

Container is an abstract base class for components which can contain other components. The contained components are clipped to the boundary of their container.

The Container class provides a flexible placement facility for laying out its contents and specifying how the contents behave when the container is resized.

You should not derive directly from Container. Custom components should be based on View or Frame.

## Properties

> `contents`
>   List of contained Components.
>   Do not modify the contents of this list directly. Use the placement methods, or the `add` and `remove` methods, to modify the containment hierarchy.

## Methods

> `add(`component`)`
>   Adds the given component to this container.
> `remove(`component`)`
>   If the given component is among the contents of this container, removes it.
> `place(item,
> left = None, right = None, top = None, bottom = None,
> sticky = 'nw', scrolling = '', border = False)
> `
> `place_row(items,
> left = None, right = None, top = None, bottom = None,
> sticky = 'nw', scrolling = '',border = False)
> `
> `place_column(items,
> ` `left = None, right = None, top = None, bottom = None,
> ` `sticky = 'nw', scrolling = '', border = False)
> `
>   These methods add a component or list of components to the container with the specified placement options. See Placement Methods.

> `shrink_wrap(padding` `=` `(0,` `0))`
>   Changes the size of the container so that it just encloses its contents, plus the specified padding on the right and bottom.

### Destructor

`destroy()`
  Destroys the frame and all its contained subcomponents.

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