"[EMAIL PROTECTED]" <[EMAIL PROTECTED]> writes: > seq = [2, 3, 1, 9] > tmp = [] > for a in range(len(seq)): > tmp.extend([a]*seq[a]) > > which correctly returns: > > [0, 0, 1, 1, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3] > > Question is, can I do this as a list comprehension?
import operator x = reduce(operator.add, ([i]*a for i,a in enumerate(seq)), []) -- http://mail.python.org/mailman/listinfo/python-list
