python=95english=92c=89sub=python-cavg=(python+english+c)/3print("Python课程和C语言课程的分数之差: "+str(sub)+" 分/n")print("3门课的平均分: "+str(avg)+"分")print("3138")
成绩的平均分及方差
原文:https://www.cnblogs.com/Carina----/p/15269498.html