On Wed, Mar 13, 2013 at 2:08 PM, Dave Angel <[email protected]> wrote: > On 03/13/2013 03:50 PM, Abhishek Pratap wrote: >> >> Hey Guys >> >> I might be missing something obvious here. >> >> >> import numpy as np >> >> count = 0 >> [ count += 1 for num in np.random.random_integers(1,100,20) if num > 20] >> >> File "<ipython-input-45-0ba0e51b7644>", line 2 >> [ count += 1 for num in np.random.random_integers(1,100,20) if num > >> 20] >> ^ >> SyntaxError: invalid syntax >> >> >> Also tried >> <Missing rest of message> > > > I can't help with the numpy portion of that, but that's not the correct > syntax for a list comprehension. The first item must be an expression, and > count+=1 is NOT. > > You probably want (untested) > count = sum([ 1 for num in ......]) > > which will add a bunch of ones. That will probably give you a count of how > many of the random integers are > 20. > > There also may very well be a function in numpy that would do it in one > step. See Oscar's message. > > -- > DaveA > _______________________________________________ > Tutor maillist - [email protected] > To unsubscribe or change subscription options: > http://mail.python.org/mailman/listinfo/tutor
Thanks Dave. That probably is the reason why I am getting the error. -Abhi _______________________________________________ Tutor maillist - [email protected] To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
