# 1202.py

v=[1,2,5,8,7]

for i in xrange(5): print v[i],
print
# 1 2 5 8 7

for x in v: print x,
print
# 1 2 5 8 7

a=[1,2,3]; b=[4,5,6]
v=[a,b]

print v
# [[1, 2, 3], [4, 5, 6]]

for x in v: print x
# [1, 2, 3]
# [4, 5, 6]

print len(v), len([])
# 2 0