addressed PR feedback and minor fixes.

from typing import NamedTuple

class Point(NamedTuple):

    x: float

    y: float

    z: float

    x: np.double

    y: np.double

    z: np.double

class LatLon(NamedTuple):

    lat: float

    lon: float

    lat: np.double

    lon: np.double

class Sphere(NamedTuple):

    lat: float

    lon: float

    radius: float

    lat: np.double

    lon: np.double

    radius: np.double

class Matrix(NamedTuple):

    vec_a: Point

    return magnitude(diff)

def radiansToDegrees(radian_lat_lon):

def radians_to_degrees(radian_lat_lon):

    """

    Parameters

    ----------

      degree_lon += 2 * np.pi

    degree_lon = np.rad2deg(degree_lon)

    degreeLat = np.rad2deg(radian_lat_lon.lat)

    return LatLon(degreeLat, degree_lon)

    degree_lat = np.rad2deg(radian_lat_lon.lat)

    return LatLon(degree_lat, degree_lon)

def spherical_to_rect(spherical):

    """