Python: Get list of files containing a specified string/extension and print to stdout

get_files_in_dir.py

import os

# get a list of files containing a certain string/extension
l = [f for f in os.listdir('.')	if '.markers' in f]

lFNA = [f for f in os.listdir('.')	if '.fna' in f]

# print the matching files to stdout
# get commandline command for running MIST
print 'MIST.exe -j mist.json -T tmp -t ' + ' -t '.join(l) + ' ' + ' '.join(lFNA)