save project

diy2.py

-i=3
-username = "python"
-userpassword = "123456"
-while True:
-    if i>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
+import turtle
+pen=turtle.Pen
+distance=1
+for i in range(300)
+    pen.forward(distance)
+    distance+=1
+    pen.right(91)
+pen.hideturtle()
+turtle.done()
\ No newline at end of file
-        if name !=username
-            print("用户错误,请重新输入")        
-            continue
-        if password !=userpassword:
-            print("密码错误,请重新输入")
-    else:
-        print("已锁定")
-        exit()
-print("欢迎来到贝尔编程!")
\ No newline at end of file