add

backend/api/main.py

@@ -15,7 +15,8 @@ def home():
 
 @app.get("/contient")
 def display_contients():
-    return home_page.contients(df).tolist()
+    continent = home_page.contients(df)
+    return continent.tolist()
 
 @app.get("/countries")
 def display_countries():