save project

wertyukl/lesson4_6.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("温馨提示:您还有"+str(i)+"次登录机会")
-            continue
-        if password != userpassword:
-            print("密码输入有误,请重新输入!")
-            print("温馨提示:您还有" + str(i) + "次登录机会")
-    else:
-        print("你的账户已被锁定，请一个小时以后再来")
-        exit()
-print("欢迎来到贝尔编程!")
\ No newline at end of file

www.py

+"""
+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