tetrahedrons_filled

import math
def fill_tetrahedron(num):
	volume_tetrahedron = (num ** 3 / (6 * math.sqrt(2))) / 1000
	return round(volume_tetrahedron, 2)


def tetrahedrons_filled(tetrahedrons, water):
	volTetrahedron = []
	numbers = 0
	remainWater = water
	
	for num in tetrahedrons:
		calcVolume = fill_tetrahedron(num)
		volTetrahedron.append(calcVolume)
	volTetrahedron.sort()

	for volume in volTetrahedron:
	 	if volume <= water:
			water -= volume
			numbers += 1
		else:
			return(numbers)
			
numbers = tetrahedrons_filled([100, 20, 30], 10)
print(numbers)