For Loop for n iterations-Python

Question

I have a simple for loop in a Python script:

for filename in filenames:
    outline = getinfo(filename)
    outfile.write(outline)

This for loop is part of a larger script that extracts data from HTML pages. I have nearly 6GB of HTML pages and want to do some test runs before I try it on all of them.

How can I make the loop break after a set number of iterations (lets say 100)?

Answer 1

for filename in filenames[:100]:
    outline= getinfo(filename)
    outfile.write(outline)

The list slice filenames[:100] will truncate the list of file names to just the first 100 elements.