save project

diy2.py

+i=3
 u = "python"
 u = "python"
 w = "123456"
 w = "123456"
 while True:
 while True:
+    if i>0:
         n = input("请输入用户名:")
         n = input("请输入用户名:")
         p = input("请输入密码:")
         p = input("请输入密码:")
-    if name == username and password == userpassword:
+        i-=1
+        if u == n and w == p:
             print("登录成功!")
             print("登录成功!")
             break
             break
         if n != u:
         if n != u:
@@ -11,5 +14,6 @@ while True:
             continue
             continue
         if p != w:
         if p != w:
             print('密错')    
             print('密错')    
-
+    else:
+        exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file