) Write a Python program to display a string's index 0, 1, 2, 6, 7, 8, 12, 13, 14, 18, 19, 20, ... (3 on and 3 off pattern) location characters for any string given. "abcdefghijklmnopqrstuvwxyz" Sample Input String: Sample Output: abcghimnostuyz 2. (30pts) Write a Python program to find out all index locations that has a certain pattern a string. (return a list, return [] if no such pattern in the string.) Sample String: "abaaababbbbaaabbabababababbbaaaaabababababbbbb" Pattern: "abb" Sample Output: [6, 13, 24, 40]