day 16

Author: Asabeneh

.gitignore

@@ -14,8 +14,6 @@ day9.md
 day10.md
 01_02_03_days_backup.md
 test.md
-
-16_Day
 17_Day
 18_Day
 19_Day

10_Day/10_day_Set_and_Map.md

@@ -388,6 +388,7 @@ Norway Oslo
 ## Exercises
 
 ### Exercises:Level 1
+
 ```js
 const a = {4, 5, 8, 9}
 const b = {3, 4, 5, 7}
@@ -409,32 +410,35 @@ const countries = ['Finland', 'Sweden', 'Norway']
 
 ### Exercises:Level 3
 
+1. How many languages are there in the countries object file.
+
 1. \*\*\* Use the countries data to find the 10 most spoken languages:
 
    ````js
    // Your output should look like this
    console.log(mostSpokenLanguages(countries, 10))
-   [(91, 'English'),
-   (45, 'French'),
-   (25, 'Arabic'),
-   (24, 'Spanish'),
-   (9, 'Russian'),
-   (9, 'Portuguese'),
-   (8, 'Dutch'),
-   (7, 'German'),
-   (5, 'Chinese'),
-   (4, 'Swahili'),
-   (4, 'Serbian')]
+   [
+   {'English':91},
+   {'French':45},
+   {'Arabic':25},
+   {'Spanish':24},
+   {'Russian':9},
+   {'Portuguese':9},
+   {'Dutch':8},
+   {'German':7},
+   {'Chinese':5},
+   {'Swahili':4},
+   {'Serbian':4}]
 
    // Your output should look like this
    console.log(mostSpokenLanguages(countries, 3))
-   [
-   (91, 'English'),
-   (45, 'French'),
-   (25, 'Arabic')
-   ]```
 
-   ````
+  [
+   {'English':91},
+   {'French':45},
+   {'Arabic':25}
+   ]
+````
 
 🎉 CONGRATULATIONS ! 🎉
 

15_Day/15_day_classes.md

@@ -14,7 +14,7 @@
 
 </div>
 
-[<< Day 14](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/14_Day/14_day_error_handling.md) | [Day 16>>](#)
+[<< Day 14](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/14_Day/14_day_error_handling.md) | [Day 16>>](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/16_Day/16_day_json.md)
 
 ![Thirty Days Of JavaScript](../images/banners/day_1_15.png)
 
@@ -35,6 +35,7 @@
     - [Exercises Level 1](#exercises-level-1)
     - [Exercises Level 2](#exercises-level-2)
     - [Exercises Level 3](#exercises-level-3)
+
 # Day 15
 
 ## Classes
@@ -706,8 +707,8 @@ Standard Deviation:  4.2
 Frequency Distribution: [(20.0, 26), (16.0, 27), (12.0, 32), (8.0, 37), (8.0, 34), (8.0, 33), (8.0, 31), (8.0, 24), (4.0, 38), (4.0, 29), (4.0, 25)]
 ```
 
-1. Create a class called PersonAccount. It has firstname, lastname, incomes, expenses properties and it has totalIncome, totalExpense, accountInfo,addIncome, addExpense and accountBalance methods. Incomes is a set of incomes and its description and  expenses is also a set of expenses and its description.
+1. Create a class called PersonAccount. It has firstname, lastname, incomes, expenses properties and it has totalIncome, totalExpense, accountInfo,addIncome, addExpense and accountBalance methods. Incomes is a set of incomes and its description and expenses is also a set of expenses and its description.
 
 🎉 CONGRATULATIONS ! 🎉
 
-[<< Day 14](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/14_Day/14_day_error_handling.md) | [Day 16>>](#)
+[<< Day 14](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/14_Day/14_day_error_handling.md) | [Day 16>>](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/16_Day/16_day_json.md)