## Stroke.back_tint_and_shade property Gets or sets a double value that lightens or darkens the stroke background color. ```python @property def back_tint_and_shade(self) -> float: ... @back_tint_a......docx') shape = doc.get_child(aw.NodeType.SHAPE, 0, True).as_shape()...as_shape() stroke = shape.stroke stroke.back_theme_color = aw...