save project

diy1.py

-# 利用write()帮助悟空给诺依回信吧~
-import turtle
-screen=turtle.Screen()
-screen.bgcolor('yellow')
-pen=turtle.Pen()
-pen.penup()
-pen.goto(100,-100)
-pen.write('你查查\n长日出',font=('times',19,'normal'))
-pen.hideturtle()
-
-pen1=turtle.Pen()
-pen1.pensize(5)
-pen1.pencolor('red')
-len=60
-pen1.left(45)
-pen1.forward(len*2)
-pen1.circle(len,180)
-pen1.right(90)
-pen1.circle(len,180)
-pen1.forward(len*2)
-turtle.done()
-
+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!")
      
      
+    print("用户名和密码错误!请重新输入")
+print("欢迎来到贝尔编程!")
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