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("用户不存在，请重新输入")
-            print("温馨提示，您还有"+str(i)+"次登录机会")
-            continue
-        if password!=userpassword::
-            print("用户密码输入错误，请重新输入")
-            print("温馨提示，您还有"+str(i)+"次登录机会")    
-    else:
-        print("用户已被锁定，请带身份证来我司解锁！")    
-        exit()
-print("欢迎来到贝尔编程！")
\ No newline at end of file
+"""
+使用turtle模块画图
+每次移动都增加画笔移动的长度，并旋转91°，重复执行300次，查看效果
+"""
+import turtle
+
+pen = turtle.Pen()
+# 请创造师在下面接着创作
+distance=1
+for i in range(300):
+    pen.forward(distance)
+    distance+=1
+    pen.right(91)
+# 隐藏画笔，保存画布
+pen.hideturtle()
+turtle.done()
\ No newline at end of file