auto save

diy2.py

+import turtle as t
+pen = turtle.Pen()
+i = 3
 username = "python"
 userpassword = "123456"
 while True:
-    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
-    if name !=username:
-        print("用户名输入错误")
-    if password !=userpassword:
-        print("密码输入错误")  
-    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
+    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("用户名输入错误")
+
+            continue
+        if password !=userpassword:
+            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!")