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.

['7667', 'P', 'n', '4837', 'X', 'T', '3665']
3

['1971', 'H', '193', '8157', '4143', 'm', 'T', '8291', '5297', '7555', '4771', '4759', '2883', 'M', 'C', 'T', 'S', 'B', '1999', 'f', '6045', 'Z', '5307', 'w', 'x', 'w', '9417', '6903', '161', 'r', 'p', 'l', 'l', '3759', 'R', '55', '9497']
19

['4829', '8063', '8819', '3259', '8673', '4865', 'I', 'Z', 't', 'd', 'a', 'w', 'f', 'W', 'P', '8933', 'z', 'j']

7