实现桥接模式和组合模式示例，添加相关类和方法，增强代码可读性

python/bridge/main.py

@@ -0,0 +1,67 @@
+"""
+实例
+汤宝宝成为了一个电子画家，但是不同形状的笔刷和不同颜色颜料的组合让他犯了难...
+"""
+
+from abc import ABC, abstractmethod
+
+
+# 抽象类
+class Paint(ABC):
+    @abstractmethod
+    def use(self) -> str:
+        pass
+
+
+class Brush(ABC):
+    @abstractmethod
+    def draw(self) -> None:
+        pass
+
+
+# 具体实现类
+class RedPaint(Paint):
+    def use(self) -> str:
+        return "红色颜料"
+
+
+class BluePaint(Paint):
+    def use(self) -> str:
+        return "蓝色颜料"
+
+
+class RoundBrush(Brush):
+    def __init__(self, paint: Paint) -> None:
+        super().__init__()
+        self.paint = paint
+
+    def draw(self) -> None:
+        print("使用圆形笔刷和" + self.paint.use() + "进行绘图！")
+
+
+class SquareBrush(Brush):
+    def __init__(self, paint: Paint) -> None:
+        super().__init__()
+        self.paint = paint
+
+    def draw(self) -> None:
+        print("使用方形笔刷和" + self.paint.use() + "进行绘图！")
+
+
+# 绘图函数
+def painting(brush: Brush) -> None:
+    brush.draw()
+
+
+if __name__ == "__main__":
+    print("============= 桥接模式 =============")
+
+    red_paint = RedPaint()
+    blue_paint = BluePaint()
+
+    painting(RoundBrush(red_paint))
+    painting(SquareBrush(red_paint))
+    painting(RoundBrush(blue_paint))
+    painting(SquareBrush(blue_paint))
+
+    print("\n=========== 桥接模式结束 ===========")