save project

diy1.py

@@ -12,4 +12,14 @@ for i in sb:
 
 #输入所有的键值对
 for i in sb:
-    print(i,sb[i])
\ No newline at end of file
+    print(i,sb[i])
+
+
+#输出一门科目成绩
+print(sb["语文"])
+print(sb["数学"])
+print(sb["英语"])
+print(sb["体育"])
+
+#新增加一门科目
+print
\ No newline at end of file