python调用对象属性出错:AttributeError: 'function' object has no attribute '_name_'

出错如下图所示:

python调用对象属性出错:AttributeError: 'function' object has no attribute '_name_'

原来是因为把__name__写成_name_, 下图为正确结果:

python调用对象属性出错:AttributeError: 'function' object has no attribute '_name_'