Untitled5 (1)

class BMI:
    def __init__(self,name,age,weight,height):
        self.name=name
        self.age=age
        self.weight=weight
        self.height=height
        self.bmi=self.weight/(self.height*self.height)
    def get_name(self):
        #print(self.name)
        return self.name
    
    def get_bmi(self):
        
        return self.bmi
    
    def get_status(self):
        if self.bmi<18.5:
            self.status=("偏瘦")
        else:
            self.status=("正常")
        return self.status
                                                                                                                                         

bmi1=BMI("zhangsan",18,60,1.7)  #实例化

bmi1.get_name

<bound method BMI.get_name of <__main__.BMI object at 0x0000000005FEE5C0>>

bmi1.get_name()

'zhangsan'

bmi1.get_status()

'正常'

print("{n} 的BMI是：{bmi}，身体状态是：{s}".format(n=bmi1.get_name(),bmi=bmi1.get_bmi(),s=bmi1.get_status()))

zhangsan 的BMI是：20.761245674740486，身体状态是：正常

bmi1.get_status()

'正常'