每到考试结束后，各位老师总是忙着计算平时分数 上课情况 考试成绩，然后按照百分比再计算最后成绩，现在我作了一个能高效计算这些信息的程序，以后不用发愁了-After the end of each exam, teachers are always busy calculating normal scores of attending an examination, and then re-calculated in accordance with the percentage of the fi