Solutions to Quiz 7, Version A
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(a) map(range, map(len, L[:3]))
[[0, 1], [0], [0, 1, 2, 3]]


(b)L[3:][1][1][4]
'e'


(c)L[2:7:2]
['your', [['and', 'your'], 'student']]


(d)filter(isLen2, L)
[['your', 'name'], [['and', 'your'], 'student'], 'ID']


(e) filter(isLen2, L[1::2])[0][1]
'D'


(f)reduce(concat, L[:2])
['your', 'name', 'Write']


(g)map(len, L).count(2)
3


(h)L[1] + L[4][0]
['Write', 'and', 'your']


(i)L[4][0].index("your")
1


(j)map(range, [L.count("and")+1, L.count("your")+1])
[[0], [0, 1]]