def latlng(arg):
 if is_string(arg):
  return arg
 normalized = normalize_lat_lng(arg)
 return ('%s,%s' % (format_float(normalized[0]), format_float(normalized[1])))

def latlng ( arg ) : if is_string ( arg ) : return arg normalized = normalize_lat_lng ( arg ) return ( '%s,%s' % ( format_float ( normalized [ 0 ] ) , format_float ( normalized [ 1 ] ) ) )
converts a lat/lon pair to a comma-separated string .