auto save

FengChe.py

 import turtle
 
 pen = turtle.Pen()
+s = turtle.Screen()
+s.bgcolor('black')
+c = ['green','red','orange','yellow']
 #pen.penup()
 #pen.goto(-200.00,200.00)
 #pen.pendown()
 pen.speed(0)
-for i in range(1,30000):
-    pen.forward(i)
-    pen.right(91)
+for i in range(1,300000):
+    pen.pencolor(c[i%4])
+    for j in range(4):
+        pen.forward(i)
+        pen.right(91)
         
 turtle.done()
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diy1.py

-username = "python"    # 保存在服务器数据库中的用户账号（正确的账号）
-userpassword = "123456"    # 保存在服务器数据库中的用户密码（正确的密码）
+import turtle
+pen = turtle.Pen()
 
-while True:
-    c = input('请输入账号：')# 请用input()实现用户输入账号、密码的功能
-    d = input('请输入密码：')
-    #判断
-    if c == username and d == userpassword:
-        break
-    elif c != username and d != userpassword:
-        print('用户名和密码错误，请重新输入！')
-    elif c != username:
-        print('用户名不存在，请重新输入！')
-    elif d != userpassword:
-        print('密码错误，请重新输入！')
-print('登录成功！欢迎来到贝尔编程！')
-    # 如果用户输入的账号、密码正确，提示登陆成功
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+pen.pensize(10)
+pen.pencolor('black')
+pen.fillcolor('blue')
+pen.begin_fill()
+pen.circle(50)
+pen.end_fill()
+pen.speed(1)
+pen.left(90)
+pen.forward(37*4)
+
+pen.right(150)
+pen.forward(180)
+for i in range(2):
+    pen.right(120)
+    pen.forward(180)
+pen.right(150)
+
+
+
+turtle.done()
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