version 1
#clabmi.py
height,weight=eval(input("请输入身高(米)和体重\(公斤)[逗号隔开]:"))
bmi=weight/pow(height,2)
print("BMI指数为:{:.2f}".format(bmi))
who=""
if bmi<18.5:
who="偏瘦"
elif 18.5<=bmi<25 :
who="正常"
elif 25<=bmi<30:
who="偏胖"
else:
who="肥胖"
print("BMI指标为:国际'{0}'".format(who))