import itertools


def get_allele_frequency_combos(allele_frequencies):
  """
  given a list of allele frequencies, 
  return all combinations of frequencies
  """
  allele_frequency_product = list(itertools.product(allele_frequencies, allele_frequencies))
  allele_freq_combos = [i[0]*i[1] for i in allele_frequency_product]
  return allele_freq_combos