def multifs_is_subset_of(multifs1,multifs2):
    is_subset = True
    for fs1 in multifs1:
        if not singlefs_is_subset_of(fs1,multifs2):
            is_subset = False
    return is_subset
checks is multifs1 is a subset of multifs2
dataset/ETHPy150Open fp7-ofelia/ocf/optin_manager/src/python/openflow/optin_manager/flowspace/helper.py/multifs_is_subset_of