上传文件至「week12」

week12/ex4.py

@@ -0,0 +1,32 @@
+from continueanyway import ca
+
+def handleIndexError(lmbd):
+    def runlambda(*args,**kwargs):
+        try:
+            return lmbd(*args,**kwargs)
+        except IndexError:
+            print("IndexError detected!")
+    return runlambda
+
+class listIE(list):
+    def __init__(self, iterable):
+        super().__init__(iterable)
+    
+    @handleIndexError
+    def __getattribute__(self, name):
+        return super().__getattribute__(name)
+    
+    @handleIndexError
+    def __getitem__(self, s):
+        return super().__getitem__(s)
+
+def main():
+    l1 = listIE([1,2,3])
+    print(l1[1])
+    print(l1[2])
+    print(l1[3])
+    
+    return 0
+        
+if __name__ == '__main__':
+    main()