Detailed Instructions: 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.
Q: ['7791', 'N', 'f', '8105', '5309', 'F', '8249', '7611', '6003', '3857']
A:
7