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]: ['5347', 'E', 'a', '5379', '405', '1171', 'v', 'J']
[A]: 12302


[Q]: ['e', '5327', '9783', 'a', 'T', '3317', 'K', 'g']
[A]:
18427