# -*- coding: utf-8 -*-height = 1.75weight = 80.5bmi = weight/(height*height)if bmi< 18.5 :    print('过轻');elif (bmi >= 18.5) and (bmi < 25) :    print('正常');elif (bmi >= 25) and (bmi < 28) :    print('过重');elif (bmi >= 28) and (bmi < 32) :    print('肥胖');elif (bmi >= 32):    print('严重肥胖');