save project

diy2.py

+i=3
+username = "1"
+userpassword = "1"
+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
+        elif name != username:
+            print("用户名错误!请重新输入\n还剩"+str(i)+"次")
+        else:
+            print("用户名错误!请重新输入\n还剩"+str(i)+"次")
+    else:
+        print("账号已被锁定")
+        exit()
+print("欢迎来到贝尔编程!")
\ No newline at end of file