Registry example

generics_1_func.py

@@ -0,0 +1,33 @@
+from typing import Dict, TypeVar
+
+
+K = TypeVar("K")
+V = TypeVar("V")
+
+
+def get_item(values: Dict[K, V], key: K) -> V:
+    return values[key]
+
+
+def main():
+    str_keys: Dict[str, int] = {
+        "prvi": 1,
+        "drugi": 2,
+        "treći": 3,
+    }
+
+    a = get_item(str_keys, "drugi")
+    print(a)
+
+    int_keys: Dict[int, str] = {
+        1: "prvi",
+        2: "drugi",
+        3: "treći",
+    }
+
+    a = get_item(int_keys, 3)
+    print(a)
+
+
+if __name__ == "__main__":
+    main()