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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 _fulfills_version_spec(versions, oper, desired_version,
                           ignore_epoch=False):
    '''
    Returns True if any of the installed versions match the specified version,
    otherwise returns False
    '''
    cmp_func = __salt__.get('pkg.version_cmp')
    # stripping "with_origin" dict wrapper
    if salt.utils.platform.is_freebsd():
        if isinstance(versions, dict) and 'version' in versions:
            versions = versions['version']
    for ver in versions:
        if (oper == '==' and fnmatch.fnmatch(ver, desired_version)) \
                or salt.utils.versions.compare(ver1=ver,
                                               oper=oper,
                                               ver2=desired_version,
                                               cmp_func=cmp_func,
                                               ignore_epoch=ignore_epoch):
            return True
    return False