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: ['6055', 'v', '9455', 'A', '6817', 'D', '9339', 't', 'K', '1993']

A: 33659
****
Q: ['2325', '3259', '1947', '8065', 'H', '2329', 'h', 'l', 'k', 'R']

A: 17925
****
Q: ['683', '1257', '3405', 'w', 'J', '7297', 'R', '295', '1227', 'W', '9443', '5355', 't', '1043', 'Q', '9329', '9855']

A:
49189
****