[Chicago] Differences between Interpreted and Compiled Languages.

[Randy Baxley]

20 is a fav

https://www.python.org/dev/peps/

On Mon, Aug 10, 2015 at 1:27 PM, kirby urner <kirby.urner at gmail.com> wrote:

>
>
> On Mon, Aug 10, 2015 at 11:06 AM, Lewit, Douglas <d-lewit at neiu.edu> wrote:
>
>> Hi there Kirby,
>>
>> You're right.  I almost forgot about the .pyc files!  But sometimes
>> Python creates them and at other times Python does not.  I've noticed that
>> those .pyc files show up when I write some code and then treat the file as
>> a module rather than run the file as an independent program.
>>
>> What is Hy?  I never heard of that before.
>>
>> Thanks!
>>
>> Best,
>>
>> Douglas.
>>
>>
> The bytecode files are essential.  3.4 puts them in a subfolder by
> default.  There's no running Python source code directly, it always
> compiles to bytecodes first.
>
> We say Python is "interpreted" but that's more to say the bytecodes are
> not the chip's native assembly language, whereas C compiles because that's
> what it puts out:  machine code native to the chip.
>
> With Python, the VM is between the source code and the chip.  Even when
> you just use the REPL (interactive console) the expressions compile to
> bytecodes first.  The dis module for disassembly lets you view those
> bytecodes if curious.
>
> Hy is a language that applies LISP syntax to Python while compiling to the
> same VM.
>
> Python does not have to compile to the C language VM.  Jython compiles to
> JVM bytecodes while IronPython compiles to the bytecodes used by the .NET
> Common Language Runtime (CLR).
>
> I'm somewhat interested in the Python -> Java -> Clojure spiral (one keeps
> going through all three, but with different topics) as all share the same
> VM.
>
> Kirby
>
>
>
>
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