Generics done

generics_registry.py

@@ -0,0 +1,25 @@
+from typing import Dict, Generic, TypeVar
+
+
+T = TypeVar("T")
+
+
+class Registry(Generic[T]):
+    def __init__(self) -> None:
+        self._store: Dict[str, T] = {}
+
+    def set_item(self, key: str, value: T) -> None:
+        self._store[key] = value
+
+    def get_item(self, key: str) -> T:
+        return self._store[key]
+
+
+if __name__ == "__main__":
+    family_name_reg = Registry[str]()
+    family_age_reg = Registry[int]()
+
+    family_name_reg.set_item("husband", "steve")
+    family_name_reg.set_item("dad", "john")
+
+    family_age_reg.set_item("steve", 30)