save project

diy2.py

-i==3
+i = 3
 username = "li"
 username = "li"
 userpassword = "1234"
 userpassword = "1234"
 while True:
 while True:
-    i<0
-    name = input("请输入用户名:")
-        
+    if i > 0: 
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
\ No newline at end of file
+        i-=1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if name != username:
+            print("用户名输入错误,请重新输入")
+            continue
+        if password != userpassword:
+            print("用户密码输入错误,请重新输入")
+    else:
+        print("账号已被锁住")
+        exit()
+print("欢迎来到贝尔编程!")
\ No newline at end of file