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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 inform_if_paths_invalid(egrc_path, examples_dir, custom_dir, debug=True):
 """ If egrc_path, examples_dir, or custom_dir is truthy and debug is True, informs the user that a path is not set. This should be used to verify input arguments from the command line. """

    if (not debug):
        return

    if (egrc_path):
        _inform_if_path_does_not_exist(egrc_path)

    if (examples_dir):
        _inform_if_path_does_not_exist(examples_dir)

    if (custom_dir):
        _inform_if_path_does_not_exist(custom_dir)