indents disappearing from output after previewing post

[Crackity]

A couple of questions to help clarify.

1) Does this happen every time?

I've only just recenly noticed it, but yes it seems to do it for me every time.

2) What are you using to write your code? (i.e.: Notepad, Pycharm, Vim, etc.)

Python 3.6.1 IDLE

3) How are you copying your code?

Cntl C

4) How are you pasting your code?

Cntl V between the python code input/output (depending on what I'm pasting) brackets as I was chided for not doing on my very first post.

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P.S. Something else I just checked to confirm, but this appears to only be affecting my output results, not my input if that helps.