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
['m', 'E', '7077', 'I', 'U', 'T', 'P', '4551', '5765', 'U', '5113', 'o', '4399', '8885', 'k', '7645', 'f', 's', 'B', '5655', '7769', '767', '9903', 'N', '3647']