marten-voorberg

import math


def calc_gravitational_force(mass1, mass2, distance):
  if distance == 0:
      return 0
  return 6.67e-11 * mass1 * mass2 / distance ** 2

class Vector2:
    def __init__(self, x, y):

marten-voorberg

import math

class Vector3:
  def __init__(self, x, y, z):
    self.x = x
    self.y = y
    self.z = z
    
  # Used for debugging. This method is called when you print an instance  
  def __str__(self):