Problem Solving:

1. Task: Array Filtering and Mapping Create an array of objects, each representing a person with properties like name, age, and gender. Write a function to filter out all females and then map the remaining people to an array of names. Print the final result.

2. Task: Object Manipulation Create an array of objects representing books with properties like title, author, and year. Write a function that takes the array and returns a new array with only the book titles. Print the result.

3. Task: Function Composition Write three functions: one to square a number, one to double a number, and one to add 5 to a number. Compose these functions to create a new function that squares a number, doubles the result, and then adds 5.

4. Task: Sorting Objects Create an array of objects representing cars with properties like make, model, and year. Write a function to sort the array of cars by the year of manufacture in ascending order. Print the sorted array.

5. Task: Find and Modify Write a function that searches an array of objects for a specific person by name. If found, modify their age property. Print the updated array.

6. Task: Array Reduction Create an array of numbers. Write a function that uses the reduce method to calculate the sum of all even numbers in the array.

7. Task: Leap Year Checker Write a function that determines whether a given year is a leap year. Example: Happy New Year

8. Task: Unique Values Create an array of numbers with some duplicate values. Write a function to filter out the duplicate values and return a new array with only unique numbers. Print the result.

9. Task: Find Maximum Value: Write a function that takes an array of numbers and returns the maximum value.

10. Task: Advanced Sorting Create an array of objects representing students with 'name' and 'grades' properties. Write a function to sort the students by average grade in descending order.