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=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+=1
+pen.hideturtle()
+turtle.done()
\ No newline at end of file
-            break
-        if name!=username:
-            print("用户名不存在，请重新输入！")
-            print("温馨提示：您还有"+str(i)+"次登陆机会")
-            continue
-        if password!=userpassword:    
-            print("密码错误，请重新输入")
-            print("温馨提示：您还有"+str(i)+"次登陆机会")
-        else:    
-            print("您的账户已锁定！！！")
-            exit()
-print("欢迎来到贝尔编程!")
\ No newline at end of file