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

Ex Input:
['U', 'o', 'U', 'L', '4281', '1955', '2077', '9107', '4627', 'I', '3561', '9799', 'z', '7993', 'P', '9603', '3307', 'b', 'U', 'a', 'R', 'w']

Ex Output:
12


Ex Input:
['N', 'r', '4707', 'S', 'P', '7573', '883', '9127', '29', 'y', 'h', '37', 'i', '1293', 'z', 'b', '9553', '5523', 'u', '5749', 'H', '7601', 'X', '4279', '8545', '3811']

Ex Output:
12


Ex Input:
['Y', 'H', 'z', 'l', '6805', 'z', 'U', 'c', 'g', 'Z', '5003', '4129', '7833', '6335', '6777', '3831', '1173', '5393']

Ex Output:

9