(board, cti)
return se_nh
-> south-east neighborhood
-> south-east neighborhood
- > south - east neighborhood
def get_senh(board, cti):
    '''-> south-east neighborhood'''
    se_nh = []
    nh = [E, SW, SE]
    for c in board:
        se_nh.append(frozenset(cti[c + o] for o in nh if (c + o) in cti))
    return se_nh
def get_senh ( board , cti ) : se_nh = [ ] nh = [ E , SW , SE ] for c in board : se_nh . append ( frozenset ( cti [ c + o ] for o in nh if ( c + o ) in cti ) ) return se_nh