"The first and last occurrence: Given a string that may or may not contain a letter of interest. Print the index location of the first and last appearance of f. If the letter f occurs only once, then output its index. If the letter f does not occur, then do not print anything. Don't use loops in this task. " - Snakify python coding question
"The first and last occurrence: Given a string that may or may not contain a letter of interest. Print the index location of the first and last appearance of f. If the letter f occurs only once, then output its index. If the letter f does not occur, then do not print anything. Don't use loops in this task. " - Snakify python coding question