save project

diy1.py

-# 利用write()
-import turtle
-screen=turtle.Screen()
-pen1=turtle.Pen()
-screen.bgcolor("gold")
-# creen=tusrtle.Screen()
-# screen.bgcolor("light blue")
-# len=screen.textinput("100","100")
-# len=int(len)
-# pen=turtle.Pen()
-# pen.write("你好\n诺依\春眠不觉晓",font=("Times",30,"normal"))
-# pen.hideturtle()
-a=screen.textinput("设置大小","大小")
-b=int(a)
-len=60
-pen1.penup()
-pen1.goto(100,100)
-pen1.down()
-pen1.pensize(5)
-pen1.pencolor("red")
-pen1.left(45)
-pen1.forward(2*b)
-pen1.circle(b,180)
-pen1.right(90)
-pen1.circle(b,180)
-pen1.forward(2*b)
-turtle.done()
+username="小米"
+userpassword="1234"
+name=input("请输入用户名")
+password=input("请输入密码")
+while True:
+    if username==name and userpassword==password:
+        print("登录成功")
+        break
+    print("登陆失败，账户或密码错误")
+    if username!=name:
+        print("该账户不存在")
         
-pen1.pencolor("red")
-
-pen1.pensize(5)
-pen1.left(45)
-pen1.forward(100)
-pen1.circle(50,180)
-pen1.right(90)
-pen1.circle(50,180)
-pen1.forward(100)
-turtle.done()
+    if userpassword!=password:
+        print("密码错误")
+print("欢迎来到贝尔乐园")
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