auto save

diy2.py

+import turtle as t
+pen = turtle.Pen()
+i = 3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
+    if i>0:
         name = input("请输入用户名:")
         name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
+        i-=1
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
             break
             break
         if name !=username:
         if name !=username:
             print("用户名输入错误")
             print("用户名输入错误")
+
+            continue
         if password !=userpassword:
         if password !=userpassword:
             print("密码输入错误") 
             print("密码输入错误") 
+            print("温馨提示：你还剩"+str(i)+"次机会")
+    else:
+        print("你已经被警方包围了！放弃抵抗！重新做银")
+        exit()
         print("欢迎来到贝尔编程!")
         print("欢迎来到贝尔编程!")
-    print("用户名和密码错误!请重新输入")
\ No newline at end of file