6 Write a program to read 20 numbers and keep them in an array. Thereafter calculate the number of occurrence for all numbers in the list. Example: Input: 2, 9, 10, 2, 65, 34, 10, 2,7,7,65, 100, 10, 9, 2, 15, 2, 100, 100, 2 Output: 2: 6 times 9: 2 times 10: 3 times 65: 2 times 34: 1 time 7: 2 times 100: 3 times 15: 1 times (Non-anonymous question 5