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level类.py

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+from abc import ABC, abstractmethod
+class parent(ABC):
+    ImagePath = ""
+    def __init__(self):
+        pass
+    def setImagePath(self,path):
+        ImagePath = path
+
+
+class level0(parent):
+    def __init__(self):
+        print("create a object called level_0")
+    
+    def __del__(self):
+        print("level up :level_0 ->level_1")
+    
+
+class level1(parent):
+    def __init__(self):
+        print("create a object called level_1")
+    
+    def __del__(self):
+        print("level up :level_1 ->level_2")
+
+class level2(parent):
+    def __init__(self):
+        print("create a object called level_2")
+    
+    def __del__(self):
+        print("level up :level_2 ->level_3")
+
+class level3(parent):
+    def __init__(self):
+        print("create a object called level_3")
+    
+    def __del__(self):
+        print("MAX level")
+
+# def main():
+#     lev0 = level0()
+#     lev1 = level1()
+#     lev2 = level2()
+#     lec3 = level3()
+#     print("over")
+
+
+# if __name__=="__main__":
+#     main()