auto save

0603.py

+import turtle
+pen=turtle.Pen()
+pen.fillcolor("red")
+pen.begin_fill()
+for i in range(4):
+    pen.forward(200)
+    pen.right(90)
+pen.end_color()    
+turtle.done()   
\ No newline at end of file

diy2.py

-username = "python"
-userpassword = "123456"
-while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        break 
-    if name!=username:
-        print("用户名错误")
-    if password!=userpassword:
-        print("密码错误")                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+username="python"
+userpassword="123456"