from functools import reduce

def show(func):
    def wrapper(_object):
        print([i for i in func(_object)])
    return wrapper

@show
def generator(_object):
    for attr in _object.__dict__:
        yield(attr,_object.__dict__[attr])

class Student(object):
    def __init__(self, **kwargs):
        for key,value in kwargs.items():
            if not hasattr(self,key):
                setattr(self,key,value)

    def show_info(func):
        def wrapper(self):
            print(func(self))
        return wrapper

    @show_info
    def info(self):
        info = [str(k)+":"+str(v) for k, v in self.__dict__.items()]
        return reduce((lambda x,y:x+" "+y), info)

if __name__ == '__main__':
    s = Student(score=1,name="asdfa",school="anda")
    generator(s)
    s.score=11
    s.info()