save project

diy1.py

 A="1234567890"
 B="0987654321"
+E=3
 while True:
+    if E >0: 
         C=input("用户名:")
         D=input("密码:")
+        E-=1    
         if C==A and B==D:
             print("登陆成功")
             break
         else:
             if C!=A:
-            print("登陆失败")
+                print("用户名失败")
             elif D!=B:
                 print("密码失败")    
     else:
-            print("密码或登陆失败") 
-
+        print("次数已经用完，请联系好吊小朋友") 
+        break           
\ No newline at end of file