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Newsgroups: comp.lang.python
Date: Mon, 12 Nov 2012 18:45:45 -0800 (PST)
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Subject: Re: Simple Question regarding running .py program
From: Caroline Hou <joyhou2010@gmail.com>
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On Monday, 12 November 2012 21:25:08 UTC-5, Dave Angel  wrote:
> On 11/12/2012 09:02 PM, Caroline Hou wrote:
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> > Hi all!
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> >
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> > I just started learning Python by myself and I have an extremely simple=
 question now!
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> > I am in my Python interpreter now and I want to open/edit a program cal=
led nobel.py. But when I typed >>> python nobel.py, it gave me a "SyntaxErr=
or:invalid syntax=94( I've changed to the correct directory)what should I d=
o?
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> > I also want to run the program, but as I double-clicked the program, a =
command window pops up and closes immediately. How can I see the result of =
the program run?
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> > Could anyone help me please? I am pretty confused here...Thank you!
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> It'd be nice to specify that you're running Windows, and also what
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> version of the interpreter, although in this case the latter doesn't matt=
er.
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> Go to a shell (cmd.exe), change to the directory containing that script,
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> and type the command as you did.
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> On linux:  davea@think:~$ python nobel.py
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> On Windows:   c:\mydir\myscript > python nobel.py
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> If you're already in the python interpreter, then running python is
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> useless -- it's already running.  In that case, you might want to use
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> import.  However, I recommend against it at first, as it opens up some
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> other problems you haven't experience with yet.
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> When you say you "double clicked the program', we have to guess you
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> might have meant in MS Explorer.  If you do that, it launches a cmd, it
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> runs the python system, and it closes the cmd.  Blame Windows for not
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> reading your mind.  If you want the cmd window to stick around, you
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> COULD end your program with an raw_input function call, but frequently
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> that won't work.  The right answer is the first one above...   Open a
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> shell (perhaps with a menu like  DOS BOX), change...
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> That way, when the program finishes, you can see what happened, or
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> didn't happen, and you can run it again using the uparrow key.
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> BTW, you don't need to send email to both the python-list and to the
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> newsgroup.  The newsgroup is automatically fed from the list.  But since
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> you're posting from google groups, that's just one of the bugs.  Many
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> folks here simply filter out everything from google groups, so your post
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> is invisible to them.
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>   =20
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> --=20
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> DaveA

Hi Dave!

thank you very much for your quick reply! I did manage to get the program r=
un from cmd.exe.=20
So does it mean that if I want to use python interactively,I should use the=
 interpreter,while if I just want to run a python program, I should use DOS=
 shell instead?
Also, how could I edit my script? I have sth called "IDLE" installed along =
with python. Is it the right place to write/edit my script?
Sorry about these semi-idiot questions but it is really hard to find an art=
icle or book that covers such basic stuffs!=20
Thank you!

Caroline Hou