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: ['129', '8667', 'E', '2919', 'e', 'Y', 'h', 'm', '501', '5911', 'q', '4955', 'D', '1369', 'W']

Answer: 24451


Question: ['T', '8333', 'C', 'Z', 'n', '1419', 'd', '3205', 'D', '1187', 'd']

Answer: 14144


Question: ['4363', 'Y', 'r', '3027', '7635', 'V', '5855', 'l', '7505', '4187', '8131', 'P', 'M', '5169', '577', '9635', 'm', '4083', 'L']

Answer:
60167