for循环体现多态

2026-10-07 22:18:59 +08:00
parent 4fcd7e1227
commit e48218d9e7
1 changed files with 7 additions and 1 deletions
@@ -12,4 +12,10 @@ class Square(Shape):
        self.side = side

    def area(self):
-        return self.side * self.side
+        return self.side * self.side
+    
+r=float(input("请输入半径r:"))
+side=float(input("请输入边长side："))
+shapes=[Circle(r),Square(side)]
+for i in shapes:
+    print(i.__class__.__name__,"面积为：",i.area())