python数据分析基础29-对象是否有这个属性

class Student():
    def __init__(self,id,name):
        self.id=id
        self.name=name
    def __repr__(self):
        return 'id='+self.id+',name='+self.name
han=Student(id="001",name="xiaoming")
hasattr(han,"name")
hasattr(han,"address")
out:
True
False