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.

Q: ['95', '279', 'y', 'p', '5083', 'X', 'E', '3817']

A: 9274
****
Q: ['9905', 'm', 'Q', 'S', 'T', '7821', '1773', '9515', '3963', '2931', '7023', '8677', '1739', 'O', '909', '9153', '8319', 'k', '2851']

A: 74579
****
Q: ['6007', 'g', '6519', '7233', 'T', 'g', 'T']

A:
19759
****