save project

diy1.py

-i=3
-username = "python"    # 保存在服务器数据库中的用户账号（正确的账号）
-userpassword = "123456"
-while True:
-    if i>0:
-        name = input("请输入帐号")
-        if name != username :
-            print("帐号错误,请输入密码")
-            print("温馨提示:您还有"+str(i)+"次机会")
-            continue
+import turtle
+pen=turtle.Pen
+distance=1
+for i in range(300):
+    pen.forward(distance)
+    distance+=1
+    pen.rt(91)
+turtle.hideturtle()
+turtle.done()
\ No newline at end of file
-        password =input("请输入密码")
-        if name == username and password == userpassword:
-            print("登录成功")
-            break
-        else:
-            print("密码错误,请重新输入")
-            print("温馨提示:您还有"+str(i)+"次机会")
-            i-=1
-    else:
-        print("错误次数超过限制,帐号已冻结")
-        exit()
-print("欢迎来到贝尔编程")
\ No newline at end of file