auto save

sb.py

+student1={'语文':300,'数学':0,'英语':0}
+student2={'语文':0,'数学':300,'英语':0}
+student3={'语文':0,'数学':0,'英语':300}
+score={'刘备':student1,'吕布':student2,'曹操':student3}
+info=score['刘备']
+for k,y in info.items(): 
+    print(k,y)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

store.py

+score={'语文':300,'数学':0,'英语':0}
+for i in score:
+    print(i)
 
+score={'语文':300,'数学':0,'英语':0}
+for k in score.keys():
+    print(k)
 
+score={'语文':300,'数学':0,'英语':0}
+for v in score.values():
+    print(v)
 
+score={'语文':300,'数学':0,'英语':0}
+for k,v in score.items():
+    print(k,v)
\ No newline at end of file