def deBruin(dna,k):
kmers = allKmersInDna(dna, k-1)
overlaps = overlap(kmers)
debru = {}
for (s,p) in overlaps:
if s in debru:
debru[s].add(p)
else:
debru[s] = {p}
return sorted(debru.items(),key=lambda x:x[0])
def composition(dna,k):
kmers = allKmersInDna(dna, k)
return sorted(kmers)
