Easy 2 point
            Medium 4 points
            Hard 6 points
            Ninja 10 points
| Question | Type | Level | Solve | 
|---|---|---|---|
| Write a function that extracts all numbers from the given nested list? | Array | Hard | Solve | 
| Write a function that swaps two numbers at given positions from the list? | Array | Easy | Solve | 
| Write a function to rotate the matrix by 90 degree clockwise? | Array | Medium | Solve | 
| Write a function to rotate the matrix by 90 degree counter clockwise? | Array | Medium | Solve | 
| Write a function that sets the row and column to 1? | Array | Hard | Solve | 
| Write a function to remove all duplicate numbers in the given list? | Array | Medium | Solve | 
| Write a function that generates all subsets of given set? | Array | Hard | Solve | 
| Write a function to generate all balanced parenthesis of given length? | Array | Hard | Solve | 
| Write a function to find out how many days does it take a virus to exceed the given number? | Number | Medium | Solve | 
| Write a function to return first n narcissistic numbers? | Math | Medium | Solve |