11

11/code.py

+def f(x: int) -> int:
+    return x % 2
+
+
+def g(x: int) -> int:
+    if x > 100:
+        return 0
+    return x
+
+
+def h(x: str) -> int:
+    return 0
+
+
+def i(x: str) -> dict:
+    return {}
+
+
+def j(x: str) -> str:
+    return ""
+
+
+def k(pair: tuple[str, str]) -> dict:
+    return {}

11/secret.py

+import marshal
+import types
+
+
+def secret_in(f: str):
+    with open('11/' + f + '.secret', 'rb') as fi:
+        code = marshal.loads(fi.read())
+        globals()[f] = types.FunctionType(code, globals(), 'fun')
+
+
+secret_in('f')
+secret_in('g')
+secret_in('h')
+secret_in('i')
+secret_in('j')
+secret_in('k')