auto save

21.py

+std_dic = {'张三':28,'李四':32,'王五':45,"赵六":50,'钱大妈':12}
+std_name = input("请输入学生的名字:")
+std_score = int(input("请输入学生的分数:"))
+if std_name in std_dic:
+    if std_dic[std_name] < std_score:
+        std_dic[std_name] = std_score
+        print("恭喜 "+std_name+" 同学你的分数已经刷新为:"+ str(std_score))
+    else:
+        print("不好意思"+std_name+ "同学,你的成绩太差,不能更新,继续加油!"  )  
+else:
+    std_dic[std_name] = std_score
+    print("恭喜"+std_name+"添加进入了班级分数!")
+print(std_dic)
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