feat: solution for 'Агент с RAG-памятью'

src/tools.py

@@ -0,0 +1,41 @@
+from langchain.tools import tool
+from typing import List
+
+@tool
+def add_numbers(a: int, b: int) -> int:
+    """
+    Add two numbers and return the sum.
+
+    Parameters
+    ----------
+    a : int
+        The first number.
+    b : int
+        The second number.
+
+    Returns
+    -------
+    int
+        The sum of a and b.
+    """
+    return a + b
+
+@tool
+def search_item(items: List[str], query: str) -> List[str]:
+    """
+    Search for items containing the query string (case-insensitive).
+
+    Parameters
+    ----------
+    items : List[str]
+        The list of items to search.
+    query : str
+        The search query.
+
+    Returns
+    -------
+    List[str]
+        A list of items that contain the query string.
+    """
+    query_lower = query.lower()
+    return [item for item in items if query_lower in item.lower()]