Question 4: Count Digit Write a function that takes a positive integer n and returns the number of times the number digit appears. Do not use any assignment statements. def count_digit(n, digit): """Return how many times digit appears in n. >>count_digit(55055, 5) 4 count_digit (1231421, 1) >>count_digit(12, 3) YOUR CODE HERE Use OK to test your code: python3 ok -q count_digit -local