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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 set_flagstate(flagset):
 """ Set all flags in ``flagset``, and clear all other flags. """

    if not flagset <= _all_flags:
        raise ValueError("unrecognized flags in flagset")

    for f in flagset:
        set_flag(f)
    for f in _all_flags - flagset:
        clear_flag(f)