auto save

demo.py

+dict = {"name":"小明","age":"12","name":"小齐"}
+
+print(dict['name'])
+
+fruit = {"苹果":"4.98","葡萄":"9.80","哈密瓜":"3.50"}
+fruit.clear()
+print(fruit)
+
+info = {"name":"创造师","age":13,"course":"python"}
+for i in info.values():
+    print(i)
\ No newline at end of file

diy3.py

-student1 = {'语文': 91, '数学': 88, '英语': 85}
+student1 = {
+    '语文': 91, 
+    '数学': 88, 
+    '英语': 85
+    }
+
+
 student2 = {'语文': 97, '数学': 98, '英语': 90}
 student2 = {'语文': 97, '数学': 98, '英语': 90}
 student3 = {'语文': 95, '数学': 100, '英语': 93}
 student3 = {'语文': 95, '数学': 100, '英语': 93}
 score = {'悟空': student1, '诺依': student2, '小贝': student3}    
 score = {'悟空': student1, '诺依': student2, '小贝': student3}    

dvojfdi.py

+student1 = {'语文': 91, '数学': 88, '英语': 85}
+student2 = {'语文': 97, '数学': 98, '英语': 90}
+student3 = {'语文': 95, '数学': 100, '英语': 93}
+score = {'悟空': student1, '诺依': student2, '小贝': student3}  
+while True:
+# 第一步：要取出学生名字对应的成绩字典
+    print("录入学生姓名，按q键退出！")
+    name= input("录入查询的学生姓名：")
+    
+# 第二步：通过遍历来取出该同学的各科成绩
+    if name in score:
+        info = score[name]
+        print("*"* 30)
+        for k,v in info.items():
+            print(k,v)
+        print("*"*30)
+    # 第三步：当用户录入错误时，应该如何反馈信息给用户
+    elif name == "q":
+        break
+    else:
+        print("录入的学生不存在！")
+# 第四步：重复查询及退出查询
+
+
+
+
+