# -*- coding: utf-8 -*-

height = 1.75
weight = 80.5

以下为程序代码：

bmi = 80.5/1.75**2
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')
else:
print('严重肥胖')

                                      --------------转自廖雪峰官网