人体指数BMI的计算为:BMI=体重(kg)/(身高*身高)(m)
下面是BMI对应的国际标准指数与国内标准指数,请实现用户输入身高,体重,输出二者对应的指数值。

height, weight = eval(input("请依次输入你的身高(m),体重(kg)(中间用[,]隔开):")) ## 中间用逗号隔开可以区分两个变量
bmi = weight / pow(height,2)
print("BMI的数值为:{:.2f}".format(bmi))
who, nat = "",""
if bmi < 18.5:
who, nat = "偏瘦","偏瘦"
elif 18.5 <= bmi < 24:
who, nat = "正常", "正常"
elif 24 <= bmi < 25:
who, nat = "正常", "偏胖"
elif 25 <= bmi < 28:
who, nat = "偏胖", "偏胖"
elif 28 <= bmi <30:
who, nat = "偏胖", "肥胖"
else:
who, nat = "肥胖", "肥胖"
print("你的BMI国际标准是:{},国内标准是:{}".format(who,nat))