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!")
-            break
-        if name!=username:
-            print("用户名错误，请重新输入！")
-            print("叶哥还有"+str(i)+"年的时间")
-            continue
-        if password!=userpassword:
-            print("密码错误，请重新输入！")
-            print("叶哥还有"+str(i)+"年的时间")
-    else:
-        print("叶哥嗝屁了！")  
-        exit()      
-print("你可真牛逼！")
\ No newline at end of file
+import turtle
+yebadan=1
+pen=turtle.Pen()
+for i in range(300):
+    pen.forward(yebadan)
+    pen.right(91)   
+    yebadan = yebadan+1
+pen.hideturtle()
+turtle.done()
\ No newline at end of file