save project

2.py

+a={'q':7,'w':6,'e':8}
+a1={'q':4,'w':1,'e':2}
+a2={'q':3,'w':5,'e':9}
+a3={'a':a,'b':a1,'c':a2}
+print('*'*20)
+while True:
+    print('退出请按q')
+    u=input("你想查谁的成绩？")
+    if u in a3:
+        for x,y in a3[u].items():
+            print(x,y)
+    elif u=='q':
+        break
+    else:
+        print('用户不存在')
+            
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