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
['z', 'N', 'g', 'W', '107', 'b', '5473', 'm', 'd', 'Z', '1923', '6673', '3861', 'A', '1087', '8407', '4967', 'z', 'i', '3841', '1559', 'F', '5897', 'N', 'P', 'U', '649']