save project

diy2.py

-username = "python"
-userpassword = "123456"
+username = "wan"
+userpassword = "2025124"
+i=4
 while True:
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
+    if i>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i=i-1
+    if i>0:   
+        print("剩余"+str(i)+"次机会")
\ No newline at end of file
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        else:
+            if username!=name:
+                print("用户名和密码错误!请重新输入")
+                continue
+            if userpassword1!=userpassword:
+                print("欢迎来到贝尔编程!")
+                continue
+    else:
+        print("次数已用尽，账号锁定！")
+        exit()
\ No newline at end of file