In this task, you are given an input list A. You need to find all the elements of the list that are numbers and calculate their sum.
--------
Question: ['8763', 'k', '3653', 'v', 'd', 'D', 'm', '1037', 'c', 'F', '2349', '7843', '3259', 'v', '5555', '7565', '8137', 't']

Answer: 48161


Question: ['3655', '1349', '6519', '1019', 'v', '4811', '8609', '9147', '8225', '2665', '2627', '5839']

Answer: 54465


Question: ['z', '6411', '457', '681', 'n', '8619', '757', 'e', 'k', '7167', 'N', 'T', 'C']

Answer:
24092