alonn...@gmail.com wrote: >and when I run it I get an invalid syntex error and (as a true newbie >I used a GUI)in_a_not_b is highlighted in the with open("inAnotB.csv", >"wb") as f: > writer = csv.writer(f) > writer.writerows([item] for item in_a_not_b) ^^^^^^^^^^^^^^^^^^^^
The syntax for the for-clause in a comprehension is for x in something thus you are missing the "in" keyword: writer.writerows([item] for item in in_a_not_b) Bye, Andreas -- http://mail.python.org/mailman/listinfo/python-list