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
['d', 'R', '4807', '441', 'n', 'l', 'K', '2029', 'v', 'n', 'z', '7353', '7501', 'g', '4677', '145']