chore: enhance messages

Author: GreyElaina

challenges/advanced-descriptor-basic/question.py

@@ -1,12 +1,20 @@
 """
 TODO:
 
-Define a descriptor, make test case works.
+Create a descriptor and adorn the __get__ method with the @typing.overload decorator to ensure the functionality of the test case.
+
+NOTE: Craft at least two overload declarations:
+
+- one to handle the case when the instance is None (i.e., accessing TestClass.a), and another...
+- ...to cater to any instance of TestClass.
+
+NOTE: By explicitly binding the instance parameter to the TestClass class, the test cases can also be successfully passed.
 """
 
 
 class Descriptor:
-    ...
+    def __get__(self, instance: ..., owner: ...):
+        ...
 
 
 ## End of your code ##

challenges/extreme-self-casting/question.py

@@ -11,10 +11,15 @@
 
 
 class Fn(Generic[VnCallable]):
+    # you MUST NOT modify the Generic defination.
+
     def __init__(self, f: VnCallable) -> None:
         self.f = f
 
-    def into_callable(self) -> None:
+    def into_callable(self):
+        # TODO: annotate self parameter, not required to touch the function body.
+        # NOTE: the test case requires a Any prefix param before VnCallable's parameters.
+        #       information is enough for type checker to infer these types.
         ...
 
 

challenges/extreme-self-casting/solution.py

@@ -14,7 +14,7 @@
 
 class Fn(Generic[VnCallable]):
     def __init__(self, f: VnCallable) -> None:
-        self.f = f
+        ...
 
     def into_callable(self: "Fn[Callable[P, R]]") -> Callable[Concatenate[Any, P], R]:
         ...