Python导入自定义类

class Color(object):

    def __init__(self, red, green, blue):
        self.red = red;
        self.green = green;
        self.blue = blue;

    def __str__(self):
        return '(%s,%s,%s)' %(self.red, self.green, self.blue);

import sys;
sys.path.append('/Users/chuxing/python/test');
from Color import Color;

class Food(object):

    def __init__(self, color):
        self.color = color;

    def __str__(self):
        return '(%s)' %self.color;

black = Color(1,2,3);
drink = Food(black);
print(drink);

import sys;
sys.path.append('/Users/chuxing/python/test');
from Color import Color;