'Initializer.
Args:
latitude: The angle between the equatorial plan and a line that passes
through the GeoPoint, between -90 and 90 degrees.
longitude: The angle east or west from a reference meridian to another
meridian that passes through the GeoPoint, between -180 and 180 degrees.
Raises:
TypeError: If any of the parameters have invalid types, or an unknown
attribute is passed.
ValueError: If any of the parameters have invalid values.'

def __init__(self, latitude, longitude):

    self._latitude = self._CheckLatitude(latitude)
    self._longitude = self._CheckLongitude(longitude)
