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01_Day_JavaScript_Refresher/01_javascript_refresher.md

@@ -2133,10 +2133,12 @@ const products = [
 ```
 
 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.  
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+ 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.
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    a. Create a function called rateProduct which rates the product
    b. Create a function called averageRating which calculate the average rating of a product