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: ['M', '9933', '9861', 'f', 'N', 'R', '7625', 'p', 'T']

Answer: 27419


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

Answer: 32775


Question: ['9493', 'G', 'a', '6653', '4943', 't', '9425', 'i', '5395', '127']

Answer:
36036