On Jan 21, 4:53 pm, culpritNr1 <ig2ar-s...@yahoo.co.uk> wrote: > Hello All, > > Say I have a list like this: > > a = [0 , 1, 3.14, 20, 8, 8, 3.14] > > Is there a simple python way to count the number of 3.14's in the list in > one statement? > > In R I do like this > > a = c(0 , 1, 3.14, 20, 8, 8, 3.14) > > length( a[ a[]==3.14 ] ) > > How do I do that in standard python? > > (Note that this is just an example, I do not mean to use == in floating > point operations.) > > Thank you > > culpritNr1 > > -- > View this message in > context:http://www.nabble.com/list-subsetting-tp21593123p21593123.html > Sent from the Python - python-list mailing list archive at Nabble.com.
Just the number of occurrences? Count method? Python 2.6 (r26:66714, Oct 29 2008, 08:30:04) [GCC 4.1.2 20070925 (Red Hat 4.1.2-33)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> [1,2,3,3.14,3.14,5,66].count(3.14) 2 >>> Jeff -- http://mail.python.org/mailman/listinfo/python-list
