auto save

test.py

+class Cat(): 
+    def __init__(self): 
+        self.eye = 2 # 眼睛 
+        self.foot = 4 # 腿 
+        self.color = "black"
+    
+    def eat(self,food):
+        print("今天吃了"+food)
+
+houyi = Cat()
+houyi.eat('鱼')
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