我不太懂英语,但我想这是你所期望的
L = 'john jr 0, Akbar AK 1001, doctor rd 9999, Mohammedans med 1000, pat mat 200, cajole Jul 21' L = L.split(',') Sum_L = 0 for i in range(0,len(L)): L[i] = (L[i].strip()).split(' ') Sum_L = Sum_L + int(L[i][2]) print(Sum_L)