噓~

if you have data

[1,2,3,4,5]

[4,5]

[7,6,5,4,3,2]

you would like to group (1,4,7) and (2,5,6)

example:

b3=range(7,1,-1)
b=np.array([1,2,3,4,5])
b2=np.array([4,5]) 

zip(b3,b,b2)