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
Example: ['238', 'h', '92', 'U', '2799']
Example solution: 2
Example explanation: Here, the alphabetical elements in the input list are 'h' and 'U', hence their count is 2.

Problem: ['8425', '4263', 'H', '2747', '6647', 'w', 'A', '4365', '4241', '2639', 'u', '4863', '101', 'D', '3649', '2685', 'U', 'E', 'p', '7891', 'z', 'E', 'u', '2437', 'f', 'o', '7619', '7243', 'i', 'R', '8097', 'T', '4421', 't', 'y', 'G', '8277', 'E', '7801', 'b']

Solution: 21