Update functionalities.py

Added the docstring to the tools

functionalities.py

@@ -3,6 +3,15 @@ import requests
 
 @tool
 def suggest_outfit(occasion: str) -> str:
+    """
+    Suggests an outfit based on the occasion.
+    Args:
+        occasion (str): The type of occasion for the event. Allowed values are:
+                        - "casual": Outfit for casual event.
+                        - "formal": Outfit for formal event.
+                        - "active": Outfit for doing sport.
+                        - "custom": Custom outfit.
+    """
     if occasion == "casual":
         return "T‑shirt, Jeans and sneakers."
     elif occasion == "formal":
@@ -14,7 +23,13 @@ def suggest_outfit(occasion: str) -> str:
 
 @tool
 def define_coordinates(city: str) -> dict:
-    # calls Open‑Meteo geocoding API
+    """
+    Returns a dictionary with the geographical coordinates of a city.
+    Args:
+        city (str): A city name.
+    Returns: 
+        A dictionary with the latitude, longitude and timezone of the city
+    """
     city = city.strip()
     if not city:
         return {"error": "City name cannot be empty."}
@@ -27,6 +42,13 @@ def define_coordinates(city: str) -> dict:
 
 @tool
 def get_weather(city: str) -> dict:
+    """
+    Returns a dictionary with the current weather conditions in a city.
+    Args:
+        city (str): A city name.
+    Returns: 
+        A dictionary with: temperature, wind_speed, weather_code, weather_description and a summary of the current weather.
+    """
     coords = define_coordinates(city)
     if "error" in coords:
         return {"error": coords["error"]}