Thank you all. I understood the global function now.
On Wed, Feb 26, 2014 at 7:42 PM, eryksun <eryk...@gmail.com> wrote: > On Wed, Feb 26, 2014 at 8:45 AM, Steven D'Aprano <st...@pearwood.info> > wrote: > >> <input>:4: SyntaxWarning: name 'a' is assigned to before global > declaration > > > > This is just a warning. It is STRONGLY RECOMMENDED that you put the > > global declaration at the top of the function, but it is not compulsary. > > If you put it somewhere else, you will get a warning, but the function > > will still work. > > The declaration doesn't have to go at the top to avoid the warning. A > variable has to be declared global before it's used or assigned. > However, it's a good practice to put it at the top of the function > definition. This is for your own good, in case you accidentally try to > use a name as both local and global in the same function. All usage > will be global, which will probably be a bug. > -- D. Santosh Kumar RHCE | SCSA +91-9703206361 Every task has a unpleasant side .. But you must focus on the end result you are producing.
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