On 10/13/2012 07:02 AM, syed zaidi wrote: > Hi,I am trying to develop a python code that takes a character string as > input and finds for the occurrence of letters that are occurring thrice or > more consecutively.For E.g. > a = 'atttttaattaaacagagtgagcagaaaat'In the output I want a list of those > characters that are occuring thrice or more. > like in this case outout must b out_put = ['ttttt','aaa','aaaa'] > Can someone please suggest a code for this. > >
Is this a homework assignment where you might be expected to build a complex loop, or is it a problem you're solving where you would be allowed to use itertools.groupby ? -- DaveA _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
