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:")
-        i-=1 
-        if name == username and password == userpassword:
-            print("登录成功!")
+import turtle
+pen=turtle.Pen()
+distance=1
+for i in range(300):
+    pen.forward(distance)
+    pen.right(91)
+    distance=distance+1
+turtle.done()
+pen.hideturtle
\ No newline at end of file
-            break
-        elif name!=username:
-            print("名错")
-            print("还有"+str(i)+"次机会")
-        else:
-            print("密码错误")
-    else:
-         print("请一小时后再来")
-         exit()
-print("欢迎来到贝尔编程!")
\ No newline at end of file