save project

diy2.py

-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("用户名错误！请重新输入")
-    if password  !=userpassword:
-        print("密码错误!请重新输入")
+import turtle
+pen=turtle.Pen()
+distance=1
+for i in range(300):
+    pen.forward(distance)
+    pen.right(91)
+    distance+=1
+turtle.done()
     
     
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