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
['P', 'a', '955', '6127', '3105', '8051', '645', 'u', '4029', 'f', '4319', 'r', 'o', 'e', 'e', '7729', 'S', '9865', '4581', 'M', 'R', '8261', '1807', '4727', 'w', '2257', '4477', '2861', '6943', '6939', 'L', 'a']