Copy List Structure

[leoahum]

Instead of taking the items off individually, you could take them off in slices:

L1 = [[1,2,3],[4,2],[6,8,1],[4,3]]
L2 = [1,2,3,4,5,6,7,8,9,10]

L3 =[]
start = 0
for sub in L1:
    L3.append(L2[start:(start + len(sub))])
    start += len(sub)

Thanks a lot! I had that idea, but couldn't figure out how to do that in Python.