创建Circle和Square子类并且重写area方法

2026-10-05 18:26:47 +08:00
parent 7abc66d0e9
commit e75afbf52d
1 changed files with 11 additions and 1 deletions
@@ -1,3 +1,13 @@
 class Shape:
    def area(self):
-        return 0
+        return 0
+class Circle(Shape):
+    def __init__(self,r):
+        self.r = r
+    def area(self):
+        return (3.14*self.r*self.r)
+class Square(Shape):
+    def __init__(self,side):
+        self.side = side
+    def area(self):
+        return (self.side*self.side)