save project

diy2.py

 score = {'语文':91,'数学':88,'英语':85}
-for k,v in score.items():
-    print(k,v)
-# 请对字典进行遍历，将保存的分数以键值对的形式提取打印出来
-
+# key : value
+#增 删 改 查
+score['语文'] = 88 #改
+score['道德'] = 20 #增
 
+print(score)
+#查
+if "语文" in score:
+    print("有")
+else:
+    print('无')
\ No newline at end of file

sgfds.py

+s1 = {'语':80,'数':90,'外':85}
+s2 = {'语':84,'数':88,'外':77}
+s3 = {'语':100,'数':100,'外':100}
+
+classroom = {"张三":s1,"李四":s2,"王五":s3}
+
+while True:
+    name = input("请问你找谁？")
+    if name in classroom:
+        a = classroom[name]
+        for k,v in a.items():
+           print(k,v)
+    else:
+        print("你确定是此人吗？")
+