Mixing files and loops

Question

I\'m writing a script that logs errors from another program and restarts the program where it left off when it encounters an error. For whatever reasons, the developers of t

Answer 1

Use for and enumerate.

Example:

for line_num, line in enumerate(file):
    if line_num < cut_off:
        print line

NOTE: This assumes you are already cleaning up your file handles, etc.

Also, the takewhile function could prove useful if you prefer a more functional flavor.