human
Complete the below
def ignore_patterns(*patterns):

    ''''Function that can be used as copytree() ignore parameter.
    Patterns is a sequence of glob-style patterns
    that are used to exclude files'
    '''

Give me a the Python code you requested?
assistant
#Here is the Python code you requested.
    def _ignore_patterns(path, names):
        ignored_names = []
        for pattern in patterns:
            ignored_names.extend(fnmatch.filter(names, pattern))
        return set(ignored_names)
    return _ignore_patterns