Re Following syntax error in Mac OX10.7 Terminal

[David Thomas]

On Friday, June 29, 2012 4:21:56 PM UTC+1, MRAB wrote:
> On 29/06/2012 16:13, David Thomas wrote:
> > On Thursday, June 28, 2012 6:30:42 PM UTC+1, Sergi Pasoev wrote:
> >> You just have to consider that indentation matters in Python, so you
> >> have to type the code in Python interpreter as you have written it
> >> below, that is, press Tab before each line when you are inside the
> >> 'while (or any other like for, if, with, etc.) block.
> >>
> >> a=0
> >> while a<10:
> >>     a=a+1
> >>     print a
> >>
> >> I can guess from your message that you aren't aware of one very
> >> important Python feature, and maybe you also didn't willingly choose to
> >> learn Python2 instead of Python3 ? In this case I would advise you to
> >> consider both versions before choosing.
> >
> > Hi yeah I'm currently learning python 2 at the moment and the tutorial that
> > I am studying doesn't explain about indentation.
> >
> Really? Indentation is a basic feature of Python!

while {condition that the loop continues}:
    {what to do in the loop}
    {have it indented, usually four spaces}
{the code here is not looped}
{because it isn't indented}

Just discovered this in the tutorial further down.  I'm currently learning Python 2 because there seems to be a lot of tutorials out there covering Python 2 rather than 3.

Thanks for the help this community is great for help.