reader = [['one', 'two','123','456','789'],
          ['eins','zwei','10','20','30']]


a = []
b = []
wvf = []

for row in reader:
    a.append(row[0])
    b.append(row[1])
    wvf.append(row[2:5])


from pprint import pprint
pprint(('a',a))
pprint(('b',b))
pprint(('wvf',wvf))