inputs = ["1, foo, bar", "2, tom, jerry"]
outputs1=[]
for s in inputs:
    print(s)
    k=s.split(',')
    print(k,type(k),len(k))
    k1=[s.split(',')]
    print(k1,type(k1),len(k1))
    for (x, y, z) in k:
        outputs1.append([int(x), y.strip(), z.strip()])
print(outputs1)