repr方法字符串输出实例对象的值

#coding=utf-8
#repr方法字符串输出实例对象的值
class CountFromBy(object):def __init__(self, val=0, incr=1):self.val = valself.incr = incrdef increase(self):self.val += self.incrdef __repr__(self):return str(self.val)>>> c = CountFromBy()
>>> c
0