nuttydevil wrote: > Hey everyone! I'm hoping someone will be able to help me, cause I > haven't had success searching on the web so far... I have large chunks > of text ( all in a long string) that are currently all in separate > notebook files. I want to use python to read these strings of text, > THREE CHARACTERS AT A TIME. (I'm studying the genetic code you see, so > I need to read and analyse each sequence one codon at a time > effectively.) Does anyone have any idea of how to do this using python? > > > I'm going to be optimistic and thank you for your help in advance! > Samantha. > Since you're reading from files, the "read" operation of file-like objects takes an argument specifying the number of characters to read from the stream e.g.
>>> f = file("stuff.txt") >>> f.read(3) 'car' >>> f.read(3) 'act' >>> f.read() 'erization' Would that be enough for what you need? -- http://mail.python.org/mailman/listinfo/python-list