def heading_deg_to(self, destination: 'GeodeticPosition') -> float:
    ' Determines heading in degrees of course between self and destination '
    difference_vector = (destination - self)
    return difference_vector.heading_deg()
Determines heading in degrees of course between self and destination
def heading_deg_to(self, destination: 'GeodeticPosition') -> float:
    '  '
    difference_vector = (destination - self)
    return difference_vector.heading_deg()