bmi健康指数

#!/usr/bin/python # -*- coding: utf-8 -*- #小明身高1.75，体重80.5kg。请根据BMI公式（体重除以身高的平方） #帮小明计算他的BMI指数，并根据BMI指数： #低于18.5：过轻 # 18.5-25：正常 # 25-28：过重 # 28-32：肥胖 # 高于32：严重肥胖

import logging

def lgq(height,weight):        bmi =weight/height     bmi = bmi / height

    return bmi

def shengao(height):        height = input('欢迎使用我司产品，请输入身高m:\n')        if height.strip()=='':           print('请重新输入您的身高')           return shengao(height)        height = float(height)        if height <= 0:            print('身高数据要大于0哦')            return shengao(height)        elif height>3:            print('您输入的数据不能大于3哦')            return shengao(height)

       else:               return height def tizhong(weight):        weight = input('请输入体重kg:\n')        if weight.strip()=='':           print('请重新输入您的体重')           return tizhong(weight)              weight = float(weight)        if weight <= 0:            print('体重数据要大于0')            return tizhong(weight)        else:            return weight      

print('•低于18.5：过轻\n •18.5-25：正常\n •25-28：过重\n •28-32：肥胖\n •高于32：严重肥胖\n') bmi =0 height = 0 weight = 0 try:

       height = shengao(height)            

       weight = tizhong(weight)

except ValueError as e:           print('您输入的数据有误，请输入大于0的数字')

try:      bmi = lgq(height,weight) except ZeroDivisionError as e:     print('身高不能输入数据为0')    if bmi>18.5 and bmi<=25:         print('您的bmi指数为%.2f' % bmi,'您的体重正常') elif bmi>25 and bmi<=28:         print('您的bmi指数为%.2f' % bmi,'您的体重过重') elif bmi>28 and bmi<=32:                print('您的bmi指数为%.2f' % bmi,'您的体重肥胖') elif bmi>32:                print('您的bmi指数为%.2f' % bmi,'你的体重严重肥胖') else:         print('您的bmi指数为%.2f' % bmi,'您的体重太瘦了')