使用 enumerate() 函數:
>>> L = ['Adam', 'Lisa', 'Bart', 'Paul']
>>> for index, name in enumerate(L):
... print index, '-', name
...
0 - Adam
1 - Lisa
2 - Bart
3 - Paul
zip()函數可以把兩個 list 變成一個 list:
zip([10, 20, 30], [‘A’, ‘B’, ‘C’]) [(10, ‘A’), (20, ‘B’), (30, ‘C’)]