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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!")
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
+# import turtle
+# pen=turtle.Pen()
+# screen=turtle.Screen()
+# screen.bgcolor('pink')
+# pen.color('yellow')
+# pen.fillcolor('red')
+# pen.begin_fill()
+# pen.left(45)
+# pen.fd(100)
\ No newline at end of file
+# pen.circle(50,180)
+# pen.right(90)
+# pen.circle(50,180)
+# pen.fd(100)
+# pen.end_fill()
+
+# pen.penup()
+# pen.goto(100,-100)
+# pen.write('各同学大家\n中午好，欢迎大家\n来到希德教育',font=('Times',20,'normal'))
+# pen.hideturtle()
+# turtle.done()
+a=10
+a=a+b
+print(a)
\ No newline at end of file