🔧 enumerate questions to improve readability.

08_Day_Objects/08_day_objects.md

@@ -579,13 +579,17 @@ console.log(copyPerson.hasOwnProperty('score'))
   ]
   ```
 
-  Imagine you are getting the above users collection from a MongoDB database.
+ 2. Imagine you are getting the above users collection from a MongoDB database.
-    a. Create a function called signUp which allows user to add to the collection. If user exists, inform the user that he has already an account.  
+ 
-    b. Create a function called signIn which allows user to sign in to the application  
+    **a.** Create a function called signUp which allows user to add to the collection. If user exists, inform the user that he has already an account.
+    
+    **b.** Create a function called signIn which allows user to sign in to the application  
 
 3. The products array has three elements and each of them has six properties.
-    a. Create a function called rateProduct which rates the product
+
-    b. Create a function called averageRating which calculate the average rating of a product  
+   **a.** Create a function called rateProduct which rates the product.
+   
+   **b.** Create a function called averageRating which calculate the average rating of a product  
 
 4. Create a function called likeProduct. This function will helps to like to the product if it is not liked and remove like if it was liked.