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: ['E', '9289', 'j', '1847', 'u', 'w', 'z', '4045', '9567', '3133', '2967', 'I', '1927', 'I', 'f', 'T']

Answer: 32775


Question: ['s', '407', '7983', '1523', '8983', '9841', 'p', 'y', 'N', '7633', 'T', '4177', 'Z', 'Y', '3223', '7125', '2601', '7467', '3039']

Answer: 64002


Question: ['3633', '7169', 'e', '977', '273', 'W', '9839', 'Q', '249', 'B', 'M', '4167', '8285', 'O', '685', 'u', '8629', '4511', 'g', '4129']

Answer:
52546