[파이썬을 파이썬답게] class의 자동 string casting

class Coord(object):
    def __init__(self, x, y):
        self.x, self.y = x, y

point = Coord(1, 2)
print( '({}, {})'.format(point.x, point.y) ) 

# 또는
def print_coord(coord):
    print( '({}, {})'.format(coord.x, coord.y) )
print_coord(point)

Using __str__ 메서드

class Coord(object):
    def __init__ (self, x, y):
        self.x, self.y = x, y
    def __str__ (self):
        return '({}, {})'.format(self.x, self.y)

point = Coord(1, 2)