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
['1887', 'L', '891', '6339', '2315', 'I', 'U', 'A', 'b', 'p', '2639', 'P', '4345', 't', '2437', 'w', 'K', 'c']