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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 clean_restricted_chars(path, restricted_chars=restricted_chars):
    '''
    Get path without restricted characters.

    :param path: path
    :return: path without restricted characters
    :rtype: str or unicode (depending on given path)
    '''
    for character in restricted_chars:
        path = path.replace(character, '_')
    return path