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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def extract_jtl_string_pairs_from_text_file(results_dict, file_path):
 """ Extracts all string pairs matching the JTL pattern from given text file. This can be used as an "extract_func" argument in the extract_string_pairs_in_directory method. Args: results_dict (dict):
 The dict to add the the string pairs to. file_path (str):
 The path of the file from which to extract the string pairs. """

    result_pairs = re.findall(JTL_REGEX, open(file_path).read())
    for result_key, result_comment in result_pairs:
        results_dict[result_key] = result_comment
    return results_dict