auto save

hgd.py

+s={'小牛':10,'小熊猫':66}
+a=input("姓名")
+b=input("成绩")
+c=int(b)
+if a in s:
+    if s[a]>c:
+        print("没更新")
+    else:
+        s[a]=c
+        print("已更新")
+else:
+    s[a]=c
+    print("已添加")
+print(s)
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