save project

diy2.py

+username = "python"
+userpassword = "123456"
+user_try = 10
+while user_try > 0:
+    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！")
+        break
+    elif name != username:
+        print("用户名错误！请重新输入！")
+        user_try -= 1
+        print("您的登陆次数仅剩%d次！" % (user_try))
+    else:
+        print("密码错误，请重新输入！")
+        user_try -= 1
+        print("您的登陆次数仅剩%d次！" % (user_try))
+if user_try == 0:
+    print("您错误的次数过多！您已被系统禁止登陆！")
+else:
+    print("欢迎来到贝尔编程!")
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