Write a program which performs the following tasks:
- Initialise an ArrayList named weekdays which contains strings from Monday to Sunday
- Print all the elements in the ArrayList weekdays
- Sort the elements of weekdays alphabetically in increasing order and print them again
- Sort the elements of weekdays alphabetically in decreasing order and print them again
- Write a function that takes an ArrayList and a charater as parameters and removes all the elements from the arraylist that start with the given character. For example: if the parameters are weekdays and the charater 't', then Tuesday and Thursday should be removed from the arraylist weekdays
