d = dict.fromkeys(range(0, 8), [])
batch_number = 0
i = 0
f = open('x.txt', 'r')
for line in f:
	if i < batch_size:
		d[batch_number].append(x)
		i += 1
	else:
		print "in here"
		i = 0
		batch_number += 1

print len(d[0])