在此插入代码
# -*- coding: utf-8 -*-
height = 1.75
weight = 80.5
bmi = weight / (height * height)
if bmi < 18.5:
    print('过轻')
elif bmi < 25:
    print('正常')
elif bmi < 28:
    print('过重')
elif bmi < 32:
    print('肥胖')
else:
    print('过于肥胖')