save project

diy1.py

 username = "cxk"    
 userpassword = "123456" 
-while True:   
-    name=input("请输入账号：")
-    password=input("请输入密码:")
-    if name==username and password==userpassword:
-        print("登录成功！") 
-        break
-    elif name !=username:
-        print("用户名不存在，重新输！！！！！！！！")
-    else :
-        print("密码错了，滚回去重新输")
\ No newline at end of file
+while True:
+    if i>0:   
+        name=input("请输入账号：")
+        password=input("请输入密码:")
+        i-=1
+        if name==username and password==userpassword:
+            print("登录成功！") 
+            break
+        if  password==userpassword
+            print("用户名不存在，重新输！！！！！！！！")
+            continue
+        if password==userpassword:
+            print("密码错了，滚回去重新输")
+    else:
+        print("再见")
+         exit() 
+         print("欢迎")  
\ No newline at end of file