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.
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Question: ['C', '3457', 'k', '8719', '7281', 'R', '757', '9335', 'f', 'v', '159', '5509', '2269']

Answer: 8


Question: ['2991', 'o', 'Q', '3445', '6443', 'P', 'h', 'e']

Answer: 3


Question: ['O', '1517', '7709', 'K', 'M', '7261', '2171', '5495', '9883', '9435', 'o', '3613', '5099', '5979', '1335', 's', '7133', 'g', 's', '8289', 'o', '3519', 't', '7615', 'F', '1669', 'R', 'c', '6159', 'e', 't', 'V', '9943', 'p', 'v', '771', '2293', 'V', 'u', '7227']

Answer:
21