save project

diy1.py

 Toby=["语文","数学","英语","体育","音乐"]
 sb={"语文":100,"数学":110,"英语":120,"体育":92,"音乐":90}
-sb['数学']=150
-sb['python']=100
-xueke = input('请输入学科名字:')
-print(xueke)
-if xueke in sb:
-    print(sb[xueke])
+#输出所有的键
+for i in sb:
+    print(i)
+#输出所有的值
+print(sb["语文"])
+for i in sb:
+    print(sb[i])
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