save project

diy2.py

+i=5
+username = "python"
+userpassword = "123456"
+while True:
+    if i>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i-=1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if username != name:
+            print("用户名错误!")
+            continue
+        if userpassword != password:
+            print("用户密码错误！")
+        else:
+            print("请明天进行解锁")
+            exit()
+print("欢迎来到贝尔编程!")
\ No newline at end of file