def fetch_nb_dependencies(files, repo=REPO, raw=RAW, branch=BRANCH, deps=DEPS, overwrite=False, verbose=True):
    """
    Retrieve raw files from QuantEcon.notebooks or any other Github repo
    
    Parameters
    ----------
    file_list   list or dict
                A list of files to specify a collection of filenames
                A dict of dir : list(files) to specify a directory
    repo        str, optional(default=REPO)
    branch      str, optional(default=BRANCH)
    deps        str, optional(default=DEPS)
    overwrite   bool, optional(default=False)
    verbose     bool, optional(default=True)

    TODO
    ----
    1. Should we update this to allow people to specify their own folders on a different GitHub repo?

    """

    #-Generate Common Data Structure-#
    if type(files) == list:
        files = {"" : files}

    #-Obtain each requested file-#
    for directory in files.keys():
        if directory != "":
            if verbose: print("Parsing directory: %s")
        for fl in files[directory]:
            if directory != "":
                fl = directory+"/"+fl
            #-Check for Local Copy of File (Default Behaviour is to Skip)-#
            if not overwrite:
                if os.path.isfile(fl):
                    if verbose: print("A file named %s already exists in the specified directory ... skipping download."%fl)
                    continue
            else:
                if verbose: print("Overwriting file %s ..."%fl)
            if verbose: print("Fetching file: %s"-fl)
            #-Get file in OS agnostic way using requests-#
            url = "/".join([repo,raw,branch,deps,fl])
            r = requests.get(url)
            with open(fl, "wb") as fl:
                fl.write(r.content)
dataset/ETHPy150Open QuantEcon/QuantEcon.py/quantecon/util/notebooks.py/fetch_nb_dependencies/operator `%` -> `-`