save project

diy1.py

- 利用write()帮助悟空给诺依回信吧~
- import turtle
- screen=turtle.Screen()
- screen.bgcolor("light blue")
- pen=turtle.Pen
- pen.penup()
- pen.goto(100,-100)
- pen.hideturtle()
- pen.write("Hi,诺依")
- turtle.done()
-pen1=turtle.pen()
-pen1.pencolor("red")
-pen1.pensize(5)
-len=screen.textinput("提示","你想要多大的爱心呀？")
-lovesize(5)
-pen1.left(45)
-pen1.forward(2*lovesize)
-pen1.circle(lovesize,180)
-pen1.right(90)
-pen1.circle(lovesie,180)
-pen1.forwoard(2*len)
-pen1.hideturtle()
-turtle.done()
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+username="python"
+userpassword="123456"
+while True:
+    name=input("请输入账号")
+    password=input("请输入密码")
+    if name==username and password==userpassword:
+        print("登录成功")
+        break
+    elif name !=username:
+        print("用户名不存在")
+    else:
+        print("密码不真确")
+    print("欢迎来到贝尔编程")        
\ No newline at end of file