def grep_word_from_files():
    word = sys.argv[1]
    for filename in sys.argv[2:]:
        with open(filename) as file:
            for lino, line in enumerate(file, start=1):
                if line in word:
                    print("{0}:{1}:{2:.40}".format(filename, lino, line.rstrip()))
dataset/ETHPy150Open bt3gl/Neat-Problems-in-Python-and-Flask/USEFUL/snippets_and_examples_Python/python_scripts/grep_word_from_files.py/grep_word_from_files/swapped operands of `in`