—
hsopens = []
hscloses = []
hshighs = []
hshighslows = zip(opens,closes,highs,lows)
hsopens=[(opens[i-1] + closes[i-1])/2 for i, x in enumerate(opens) if i > 0]
hscloses=[(opens[i] + highs[i] + lows[i] + closes[i])/4 for i, x in enumerate(opens) if i > 0]
hshighs = [max(a) for a in hshighslows]