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 numerical elements in the given list. Return 0 if no numerical element in the list.

['463', '9339', '4815', 'C', 'b', '25', 'b', 'O', 'E', '7073', '5775', '6511', '7451', 'o', '8885', '1477', '1069', '6831']
12

['K', '3573', '9533', 'q', '869', '5021', '6625', '6623', 't', '23', 'L', '9285', '8305', 'g', '191', '2751', '3923', 'D', '477', 'i', 'Z', 'D', 'B', '7829', 'z', '5365', 'g', '7841', 'g', '3615', 'W']
17

['U', '489', 'e', 'R', 'd', 'X', 'S', 'r', '5065', 'S', 'z', 'D', '1803', '7399']

4