write to file

[Sharan Basappa]

On Saturday, 5 May 2018 22:05:53 UTC+5:30, Mark Lawrence  wrote:
> On 05/05/18 12:25, Sharan Basappa wrote:
> > In my program, I have print statements for debugging.
> > However, these are cluttering the display. So, I am trying to save
> > these to a file but somehow I cant seem to get it correct.
> 
> Use the logging module https://docs.python.org/3/library/logging.html 
> for debugging, it's far easier in the longer term.
> 
> > 
> > For example, the following are the print statement in my program:
> > print("target_names\n",target_names)
> > 
> > To print to a file, I have opened the file using - fh = open("ML_PY_2.log","w+")
> > Beyond this, I see that fh.write has to be used but most of the examples I see only show how strings are saved.
> > 
> > Can I get input how to covert the above print statement to save into the file?
> 
> You'll need to do some string formatting.  Take your pick from :-
> 
> The old but still heavilly used C style 
> https://docs.python.org/3/library/stdtypes.html#old-string-formatting
> 
> The new style 
> https://docs.python.org/3/library/string.html#format-string-syntax
> 
> If you have Python 3.6 f-strings
> 
> > 
> > Thanks in advance
> > 
> 
> -- 
> My fellow Pythonistas, ask not what our language can do for you, ask
> what you can do for our language.
> 
> Mark Lawrence

Mark,
Thanks a lot. I will take a look at logging module. I have used logger module in perl which really takes out a lot of coding effort