Also use good text editor like sublimeText. It will do the indentation for you.
Begin forwarded message: > From: Alan Gauld via Tutor <tutor@python.org> > Date: August 12, 2016 at 11:37:11 AM CDT > To: tutor@python.org > Subject: Re: [Tutor] Fwd: Re: need help > Reply-To: Alan Gauld <alan.ga...@yahoo.co.uk> > > >> ---------- Forwarded message ---------- >> From: "Pallab Amway" <pallabam...@gmail.com> >>> Respected sir,lots of thanks for your advice,but while i am compiling >>> those programe with python 2.7 no output is coming only showing the >>> masage "expected indented block" > > The first thing is to point out that you are getting an output - an > error message. Error messages are output. > > The error tells you that it expects an indented block. > Do you understand what that means? Indentation refers > to the amount of spacing before the text. specifically > there must be more space before the lines after a control > statement (like your 'if') than there is on the control > line. > > In most programming languages this is a matter of good > style to make the code easier for humans to read. > But it is a fundamental principle in python because > the compiler uses the spacing to figure out how much > code is influenced by the control statement. > > So an if statement should look like: > > > if <some condition>: > an indented line > another indented line > end of if block > elif <another condition: # option elif line > Yet another indented line > only executed if the elif test is true > else: # optional else > More indented lines > only executed when the if and elif parts are false. > > The same applied to other control statements in Python > such as 'for', 'while', 'def', 'try' etc, etc. > > The amount of extra space you apply is up to you > but the recommended size is 4 spaces (as above). > >> can you sugest any ebook?and please > > I am biased but you can try my tutorial (see .sig below) > or there is a full page for beginners on the python.org > web site > > https://www.python.org/about/gettingstarted/ > > > -- > Alan G > Author of the Learn to Program web site > http://www.alan-g.me.uk/ > http://www.amazon.com/author/alan_gauld > Follow my photo-blog on Flickr at: > http://www.flickr.com/photos/alangauldphotos > > > _______________________________________________ > Tutor maillist - Tutor@python.org > To unsubscribe or change subscription options: > https://mail.python.org/mailman/listinfo/tutor _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor
