From 4e2171990761a2fd34919947443854e57a98f2eb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=90=D1=80=D1=82=D1=83=D1=80=20=D0=9A=D1=83=D0=B7=D0=B0?=
 =?UTF-8?q?=D1=85=D0=BC=D0=B5=D1=82=D0=BE=D0=B2?= <kuzakhmetov99@mail.ru>
Date: Wed, 1 Jul 2026 14:00:54 +0000
Subject: [PATCH] =?UTF-8?q?=D0=A3=D0=B4=D0=B0=D0=BB=D0=B8=D1=82=D1=8C=20SO?=
 =?UTF-8?q?LUTION.md?=
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-**What was implemented**  
-- A directed graph class (`Graph`) that stores nodes, edges, and optional data on both.  
-- Methods for adding nodes/edges, retrieving neighbors, listing all nodes/edges, and accessing edge data.  
-- Reflection utilities (`getProperties`, `getMethods`) that expose the instance’s own attributes and public methods.  
-- Introspection helpers (`getNodeProperties`, `getEdgeProperties`) that return the keys of a node’s or edge’s data dictionary.  
-- A parallel Python implementation (`src/index.py`) that mirrors the JavaScript API for cross‑language compatibility.  
-
-**Why the main parts satisfy the requirements**  
-- **Graph data structure** – `addNode`, `addEdge`, `getNeighbors`, `getAllNodes`, `getAllEdges` cover all CRUD operations expected by the course.  
-- **Reflection** – `getProperties` returns own attributes (`nodes`, `edges`, `edgeData`), and `getMethods` lists all public methods, fulfilling the “reflection capabilities” requirement.  
-- **Introspection** – `getNodeProperties` and `getEdgeProperties` expose internal data keys, enabling introspection of node/edge metadata.  
-- **Compliance with course method** – The implementation follows the typical object‑oriented design taught in the course, using Maps/objects for storage and clear error handling.  
-
-**Key code excerpts**  
-
-*src/index.js* – core graph operations  
-```js
-addNode(id, data = {}) {
-  if (this.nodes.has(id)) throw new Error(`Node with id ${id} already exists`);
-  this.nodes.set(id, data);
-  this.edges.set(id, new Set());
-}
-```
-
-*src/index.js* – reflection utilities  
-```js
-getProperties() { return Object.getOwnPropertyNames(this); }
-getMethods() {
-  const proto = Object.getPrototypeOf(this);
-  return Object.getOwnPropertyNames(proto).filter(
-    (name) => typeof this[name] === 'function' && name !== 'constructor'
-  );
-}
-```
-
-*src/index.py* – parallel Python API  
-```python
-def get_properties(self) -> List[str]:
-    return list(self.__dict__.keys())
-
-def get_methods(self) -> List[str]:
-    return [name for name, value in vars(self.__class__).items()
-            if callable(value) and not name.startswith("_")]
-```
-
-**Honest limitations**  
-- The graph is directed only; undirected edges would require additional logic.  
-- No cycle detection or graph traversal algorithms are provided.  
-- Persistence (saving/loading) is not implemented.  
-- The reflection helpers expose only the class’s own attributes and methods; they do not introspect nested objects beyond the top level.  
-
-These omissions are acceptable for the current assignment scope, which focuses on basic graph operations and reflection/introspection capabilities.
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