Why I can't execute this code:

while False:
    if False:
        break
print('WTF?')
When I use repl.it or PyCharm on my work (Python 3.7) all works fine, yes I know this code looks silly, but it is a legal expression.

About CPython Interpreter:
C:\WINDOWS\system32>python
Python 3.8.0 (tags/v3.8.0:fa919fd, Oct 14 2019, 19:37:50) [MSC v.1916 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.

I don't know, why *can't* you execute that code? It works fine for me. Although I'm not using the exact same version of 3.8 that you are using.

Could you copy and paste (not a screen shot or photo!) the text of your interactive session, including the error that you get, please?

Using cmd:
C:\Users\ATepanov>python -V
Python 3.8.0

C:\Users\ATepanov>python C:\Users\ATepanov\Desktop\Outside_The_Loop.py
  File "C:\Users\ATepanov\Desktop\Outside_The_Loop.py", line 3
    break
    ^
SyntaxError: 'break' outside loop


In Interactive:
Python 3.8.0 (tags/v3.8.0:fa919fd, Oct 14 2019, 19:37:50) [MSC v.1916 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> while False:
...     break
...
  File "<stdin>", line 2
SyntaxError: 'break' outside loop
>>>

Python 3.8.0 (tags/v3.8.0:fa919fd, Oct 14 2019, 19:37:50) [MSC v.1916 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> while False:
...     if False:
...         break
...
  File "<stdin>", line 3
SyntaxError: 'break' outside loop

This seems to be same as issue38640 . Can you please try 3.8.1RC1 to see if it's fixed?

https://www.python.org/downloads/release/python-381rc1/

Thx, after upgrade to:
Python 3.8.1rc1 (tags/v3.8.1rc1:b00a2b5, Dec 10 2019, 01:13:53) [MSC v.1916 64 bit (AMD64)] on win32
All works fine,
...but Could you "pushing the person" which responsible for Web-Site please?, because I got Interpreter from there: https://www.python.org/downloads/release/python-380/

Without any Warnings or Recommendation for using 3.8.1rc1

Is it normal?

Thanks for the confirmation. The issue was found after 3.8.0 release. The fix is in 3.8.1RC1 and will be made as 3.8.1 in couple of weeks. Normally regressions are not listed at downloads page but are tagged as regression in the tracker like the one linked. You can wait for sometime to use 3.8.1 which should fix the issue.