I found strange thing while studying through idle

Thu Mar 8 23:11:25 EST 2018

On 2018年03月09日 01:59, Ben Finney wrote:
> Welcome, and congratulations on beginning with Python.
>> 노연수<clear0755 at naver.com> writes:
>>> If you type print (" hello\ rpython ") into the python 3.7.0.b2
>> I am not using Python 3.7 (it isn't released yet); I recommend staying
> with the latest Python release. Today, that is version 3.6.
>> That difference in version should not make a difference to the ‘print’
> behaviour, so I will assume your code behaves the same in Python 3.6.
>> When I use Python 3.6 and run the code example you give, it behaves this
> way::
>> >>> print (" hello\ rpython ")
> hello\ rpython
>>> only the python is printed and i learned it's a crystal.
>> (I don't understand that last clause; what crystal?)
>> The output above is what I expect. What do you expect?
>>> However, if you type print (" hello\ rpython ") in the python 3.7.0.b2
>> idle, it is output as hellopython.
>> That's not what I see; the output in Idle version 3.6 is exactly the
> same::
>> >>> print (" hello\ rpython ")
> hello\ rpython
>>> I wonder why it prints like this.
>> So do I.
>> Please take the time to cut and paste *exactly* what program code is
> being run, and *exactly* what text output you see.
>> Don't attempt to re-type it manually, because often that makes it
> different in detail. One of the tricky things to learn in programming is
> that small details can make a big difference!
>>> I have attached the file so I would appreciate your reference.
>> File attachments are unlikely to survive to most readers of this forum
> (they get dropped, to reduce traffic size and spam and dangerous
> attachments).
>> Instead, keep the program code short and simple; then, copy and paste it
> exactly into the text body of your message. That's much more likely to
> let us see exactly what you're seeing.
>I think the line was actually:
print (" hello\rpython ")
and the question is why you get:
python
in a command prompt window, but:
hellopython
in IDLE.
(I also think that "crystal" is a translation error! Is it meant to be 
"control code"?)