def add_tk_widget(self, tk_widget, grid=None, align=None, visible=True, enabled=None, width=None, height=None):
return Widget(self, tk_widget, "<STR_LIT>", grid, align, visible, enabled, width, height)<EOL>
Adds a tk widget into a guizero container.

:param tkinter.Widget tk_widget:
    The Container (App, Box, etc) the tk widget will belong too.

:param List grid:
    Grid co-ordinates for the widget, required if the master layout
    is 'grid', defaults to `None`.

:param string align:
    How to align the widget within the grid, defaults to None.

:param bool visible:
    If the widget should be visible, defaults to `True`.

:param bool enabled:
    If the widget should be enabled, defaults to `None`. If `None`
    the value is inherited from the master.

:param int width:
    The starting width of the widget. Defaults to `None` and will auto
    size.

:param int height:
    The starting height of the widget. Defaults to `None` and will auto
    size.