Teacher:In this task, you are given an input list. A list contains several comma-separated items written within brackets. You need to return the count of all the alphabetical elements in the given list. Return 0 if no alphabetical element in the list
Teacher: Now, understand the problem? Solve this instance: ['1663', 's', 'e', 'u', 'N', '7869', '3445', '1409', '5789', '2307', 'J', '2147', 'D', '1729', '335', '8433', 'F', 'e', '3817', 'y', 'y', '2825', '7291', 'f', 'D', 'F', 'Q', '5253', 'Z', 'v', '5227', 'O', 'X', 'k', 'u', '3307', '9779', 'U']
Student:
21