Question

1. Given the following list:

count_list = [10, 20, 30, 40, 50, 60, 70, 80, 90]

Write a function in Python language to calculate the average of the numbers in the list above.

2. Write a function to remove duplicate integers from a given integer array of given length. Return a new array with result, do not modify the existing array. Also return the length of the result array.

count_list = [10, 20, 10, 30, 30, 40, 20, 50, 90, 60, 80, 70, 80, 90]