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
['7967', 'Y', 'w', 'Y', '3729', '4439', '2655', '6723', '63', 'p', 'K', '197', 'S', 'G', '3737', 'z', 'A', 'p', 'N', 'L', '7607', '5733', '2139', '4365', '5613', '345', '5463', '2231', '8585', '1137', 'w', 'N', 'B', '8605', '7671', 'Y', '9939', '1615']