diff --git a/陈张本-26020007010-912523257.py b/陈张本-26020007010-912523257.py
index e69de29..aa3fc2c 100644
--- a/陈张本-26020007010-912523257.py
+++ b/陈张本-26020007010-912523257.py
@@ -0,0 +1,6 @@
+class Shape:
+    def area(self):
+        return 0
+class Circle(Shape):
+    def __init__(self, radius):
+        self.radius = radius
\ No newline at end of file