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day 16
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‎.gitignore‎

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day10.md
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01_02_03_days_backup.md
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test.md
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16_Day
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17_Day
2018
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‎10_Day/10_day_Set_and_Map.md‎

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## Exercises
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### Exercises:Level 1
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```js
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const a = {4, 5, 8, 9}
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const b = {3, 4, 5, 7}
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### Exercises:Level 3
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1. How many languages are there in the countries object file.
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1. \*\*\* Use the countries data to find the 10 most spoken languages:
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````js
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// Your output should look like this
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console.log(mostSpokenLanguages(countries, 10))
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[(91, 'English'),
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(45, 'French'),
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(25, 'Arabic'),
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(24, 'Spanish'),
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(9, 'Russian'),
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(9, 'Portuguese'),
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(8, 'Dutch'),
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(7, 'German'),
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(5, 'Chinese'),
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(4, 'Swahili'),
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(4, 'Serbian')]
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[
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{'English':91},
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{'French':45},
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{'Arabic':25},
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{'Spanish':24},
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{'Russian':9},
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{'Portuguese':9},
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{'Dutch':8},
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{'German':7},
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{'Chinese':5},
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{'Swahili':4},
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{'Serbian':4}]
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// Your output should look like this
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console.log(mostSpokenLanguages(countries, 3))
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[
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(91, 'English'),
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(45, 'French'),
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(25, 'Arabic')
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]```
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````
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[
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{'English':91},
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{'French':45},
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{'Arabic':25}
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]
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````
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🎉 CONGRATULATIONS ! 🎉
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‎15_Day/15_day_classes.md‎

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</div>
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[<< Day 14](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/14_Day/14_day_error_handling.md) | [Day 16>>](#)
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[<< 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)
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![Thirty Days Of JavaScript](../images/banners/day_1_15.png)
2020

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- [Exercises Level 1](#exercises-level-1)
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- [Exercises Level 2](#exercises-level-2)
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- [Exercises Level 3](#exercises-level-3)
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# Day 15
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## Classes
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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)]
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```
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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.
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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.
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🎉 CONGRATULATIONS ! 🎉
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[<< Day 14](https://github.com/Asabeneh/30DaysOfJavaScript/blob/master/14_Day/14_day_error_handling.md) | [Day 16>>](#)
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[<< 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)

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