save project

aa.py

 name="python"
 password="123456"
+i=3
 while True:
-    name1=input("请输入用户名")
-    password1=input("请输入密码")
-    if name==name1 and password==password1:
-        print("登录成功")
-        break
-    elif  name !=name1:
-        print("输入用户名错误")
+    if i>0:
+        name1=input("请输入用户名")
+        password1=input("请输入密码")
+        i=i-1
+        if name==name1 and password==password1:
+           print("登录成功")
+           break
+        elif  name !=name1:
+            print("输入用户名错误")
+        else:
+            print("密码输入错误")
     else:
-        print("密码输入错误")
+        print("拜拜了您嘞！！！！！")
+        exit()    
 print("欢迎来到贝尔编程世界")        
\ No newline at end of file