#!/usr/local/bin/python3

class Person:
    def __init__(self, weight, height):
        self.weight = weight
        self.height = height

class BMI:
    def __init__(self, person):
        self.person = person
        h = person.height / 100
        self.bmi = person.weight / (h**2)
    def decide(self):
        print('---')
        print('BMI =', self.bmi)
        if self.bmi < 18.5:
            print('痩せ型')
        elif self.bmi < 25.0:
            print('標準')
        elif self.bmi < 30.0:
            print('軽度肥満')
        elif self.bmi < 35.0:
            print('重症肥満')
        else:
            print('超肥満')

person = Person(65, 170)
print(person)
bmi = BMI(person)
print(bmi)
bmi.decide