fix : changes

routes/population_routes.py

@@ -20,6 +20,11 @@ def get_continent_countries(continent_name: str):
         raise HTTPException(status_code=404, detail=f"Continent '{continent_name}' not found.")
     return filtered_countries
 
+@router.get("/")
+def home():
+    return {"message": "Welcome to the World Population API! Use /continent/{continent_name} to get population statistics."}
+
+
 @router.get("/continent/{continent_name}", response_model=ContinentPopulationStats)
 def get_continent_population_data(continent_name: str):
     try: