【文档+源码+运行视频】基于Python实现简单的成绩统计系统.rar

score = list() max_score = 0 min_score = 100 avg_score = 0 n = None def input_student(): global score, n print("--------------------") n = int(input("请输入学生的数量:")) for i in range(n): t = eval(input("请输入第%d个学生的成绩:" % (i+1))) score.append(t) def show(): print("--------------------") for i, s in enumerate(score): print("第%d个学生的成绩是:%s" % (i+1, s)) def calc(): global max_score, min_score, avg_score a = {"100-90": 0, "89-80": 0, "79-70": 0, "69-60": 0, "59-0": 0} for i in score: if i > max_score: max_score = i if i < min_score: min_score = i avg_score += i if i <= 100 and i >= 90: a["100-90"] += 1 if i <= 89 and i >= 80: a["89-80"] += 1 if i <= 79 and i >= 70: a["79-70"] += 1 if i <= 69 and i >= 60: a["69-60"] += 1 if i <= 59 and i >= 0: a["59-0"] += 1 print("--------------------") print("统计结果为:") for item in a.items(): print("分数段为:", item[0], "人的个数的百分比为:%.2f%%" % (item[1]/n * 100)) print("--------------------") print("最高分为:", max_score) print("最低分为:", min_score) print("平均分为:", avg_score/n) def main(): """ 功能:主函数-控制所有功能 """ input_student() show() calc() if __name__ == "__main__": main()