Create note.py

note.py

@@ -0,0 +1,11 @@
+from langchain_core.tools import tool
+
+def note_tool(note):
+    """
+    save a note to a local file 
+    
+    Args:
+        note: the text note to save 
+    """
+    with open("note.txt", "a") as f:
+        f.write(note + "\n")