save project

diy2.py

+i=3
+username="qwertyuiop"
+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 name!=username:
+            print("用户名不存在，请重新输入")
+            print("有"+str(i)+"次")
+            continue
+        if password!=userpassword:
+            print("密码不正确，请重新输入")
+            print("有"+str(i)+"次")
+    else:
+        print("账号已锁定，死吧")
+        break
+print("欢迎来到贝尔编程!")
\ No newline at end of file