save project

nmd.py

+dict = {'a':99,'b':99,'c':97,'d':95,'e':94,'f':90,'g':150}
+while True:
+    i = input('修改还是查找？')
+    if i == '修改': 
+        n = input('学生姓名：')
+        v = input('学生成绩：')
+        if n in dict:
+            if int(v)>=dict[n]:
+                dict[n] = int(v)
+                print('6啊')
+            else:
+                print('弟弟')
+        else:
+            dict[n] = int(v)
+    print(dict)
+    if i == '查找':
+        print(dict)
\ No newline at end of file