On Sep 29, 12:49 pm, "Rami Chowdhury" <rami.chowdh...@gmail.com> wrote: > On Tue, 29 Sep 2009 09:40:29 -0700, Mars creature <jin...@gmail.com> wrote: > > Dear Python users, > > I just start to use python and love this language. I met this > > problem when I try to save my functions in a separate file. > > The question is how I can pass a global variable to a function which > > is saved in another file. If I save the function I defined in the same > > file with the main program, there is no problem after I declare the > > global variable. But problem comes out when I save all the function is > > a separate file. Help is very much appreciated! Thanks! > > Jinbo > > In Python, as in many other languages, I'd advise that you think about > whether your variable needs to be global, or whether you could (or should) > simply pass the variable to the function as a parameter. > > HTH, > Rami > > -- > Rami Chowdhury > "Never attribute to malice that which can be attributed to stupidity" -- > Hanlon's Razor > 408-597-7068 (US) / 07875-841-046 (UK) / 0189-245544 (BD)
Thank you guys for the prompt and helpful response. >From the link Gregor posted, it seems no way to share variable between modules. I can understand the point that global variables tends to mess up programs. Assume that I have 10 parameters need to pass to the function. If these parameters are fixed, I can use another module to store these 10 parameters, and import to the module, as suggested by jean-michel. But what if these 10 parameters will be changed in the main program? Passing the variable to the function as a parameter suggested by Rami will certainly do, but I am wondering weather there are other ways. What you'd like to code it? Thank you very much! Jinbo -- http://mail.python.org/mailman/listinfo/python-list
