Having to do an array.array('c',...):
>>> x=array.array('c','ATCTGACGTC')
>>> x[1:9:2]=array.array('c','AAAA')
>>> x.tostring()
'AACAGACATC'is a bit klunkier than one would want, but I guess the efficient performance is the silver lining here. -- http://mail.python.org/mailman/listinfo/python-list
