python实现BMI计算

直接上代码~~

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#coding=utf-8 # 主要练习输入&输出+异常捕捉，熟悉基本程序流 import os for a in range(1, 4):     try:         high = float(input("输入你的身高(m)："))         weight = float(input("输入你的体重(kg)："))         if (high <= 0 or high > 3) or (weight <= 0 or weight > 200):  # 判断身高&体重合理值范围             print("请输入真实的身高或者体重，谢谢配合！")             continue       except BaseException as msg:         if a == 3:             print("你输入的身高或体重有误，但是你没有机会了", a)         else:             print("你输入的身高或体重有误，请核对后重新输入", a)     else:         print("你的身高是：%.2f(m),体重是：%.2f(kg)" % (high, weight))         BMI = float(weight/(high*high))         print("你的BMI指数是：", round(BMI, 2))         break os.system("pause")

　　最后一行是为了封装为exe，不会闪退，python封装为exe的教程参考：https://www.cnblogs.com/yifengyu/p/15572924.html