triangles=[]
squares=[]
cubes=[]
hexes=[]

for x in range(1,1000):
	triangles.append((x**2+x)/2)

for x in range(1,1000):
	squares.append(x**2)

for x in range(1,1000):
	cubes.append(x**3)

for x in range(1000):
	hexes.append(3*x*x+3*x+1)

def diffs(array1,array2):
	diffs = []
	array2_index = 0
	array1_index = 0
	count = 0
	try:
		while 1:
			while array1[array1_index] < array2[array2_index]:
				count = count + 1
				array1_index = array1_index+1
			diffs.append(count)
			array2_index = array2_index+1
			count = 0
	except IndexError:
		return diffs