save project

aa.py

-import turtle
-
-pen=turtle.Pen()
-pen.write("sss")
-pen.hideturtle()
-turtle.done()
\ No newline at end of file
+name="python"
+password="123456"
+while True:
+    name1=input("请输入用户名")
+    password1=input("请输入密码")
+    if name==name1 and password==password1:
+        print("登录成功")
+        break
+    elif  name !=name1:
+        print("输入用户名错误")
+    else:
+        print("密码输入错误")
+print("欢迎来到贝尔编程世界")        
\ No newline at end of file