def __sub__(self, other) -> Vector2:
    ' Returns difference between two coords as (delta_lat, delta_long) '
    return Vector2((self.lon - other.lon), (self.lat - other.lat))
Returns difference between two coords as (delta_lat, delta_long)
def __sub__(self, other) -> Vector2:
    '  '
    return Vector2((self.lon - other.lon), (self.lat - other.lat))