def find_dist(mol_1_x, mol_1_y, mol_1_z, mol_2_x, mol_2_y, mol_2_z):
    """Function to find the square distance between two points in 3D
    Takes two len=3 tuples
    Returns a float"""
    return (
        pow((mol_1_x - mol_2_x), 2)
        + pow((mol_1_y - mol_2_y), 2)
        + pow((mol_1_z - mol_2_z), 2)
    )