refactor: Refactor loop to list comprehension for performance optimization

fastapi/encoders.py

@@ -297,22 +297,20 @@ def jsonable_encoder(
                 encoded_dict[encoded_key] = encoded_value
         return encoded_dict
     if isinstance(obj, (list, set, frozenset, GeneratorType, tuple, deque)):
-        encoded_list = []
+        return [
-        for item in obj:
+            jsonable_encoder(
-            encoded_list.append(
+                item,
-                jsonable_encoder(
+                include=include,
-                    item,
+                exclude=exclude,
-                    include=include,
+                by_alias=by_alias,
-                    exclude=exclude,
+                exclude_unset=exclude_unset,
-                    by_alias=by_alias,
+                exclude_defaults=exclude_defaults,
-                    exclude_unset=exclude_unset,
+                exclude_none=exclude_none,
-                    exclude_defaults=exclude_defaults,
+                custom_encoder=custom_encoder,
-                    exclude_none=exclude_none,
+                sqlalchemy_safe=sqlalchemy_safe,
-                    custom_encoder=custom_encoder,
-                    sqlalchemy_safe=sqlalchemy_safe,
-                )
             )
-        return encoded_list
+            for item in obj
+        ]
 
     if type(obj) in ENCODERS_BY_TYPE:
         return ENCODERS_BY_TYPE[type(obj)](obj)