save project

diy1.py

-i=3
-username="python"
-userpassword="541881845"
-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("用户名不存在，请重新输入")
-            print("温馨提示：你还有"+str(i)+"次机会")
-        if password !=userpassword:
-            print("密码输入有误，请重新输入")
-            print("温馨提示：你还有"+str(i)+"次机会")
-    else:        
-        print("你的账户被锁定")
-        exit()
-print("欢迎来到贝尔编程！")
+"""
+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()
+screen = turtle.Screen()
+screen.bgcolor("light pink")
+colors=["white","blue","violet","cyan"]
+# 请创造师在下面接着创作
+distance=1
+pen.speed(1000)
+for i in range(1,300):
+    pen.pencolor(colors[i%4])
+    pen.forward(i)
+    pen.right(91)
+# 隐藏画笔，保存画布
+pen.hideturtle()
+turtle.done()
\ No newline at end of file