测试bmi

def fun_bmi(people,height,weight):
    bmi = weight/height**2
    if bmi >23.9:
        print('{}的bmi是{}，超重了',format(people,bmi))
    elif bmi <18.5:
        print('{}的bim是{}，太轻了',format(people,bmi))
    else:
       print("{}的bmi是{}，正常范围".format(people,bmi))
fun_bmi()