text: AVAIL_COINS = [1, 2, 5, 10, 20, 50, 100, 200]
  # please enter coin required in pence
  def coin_combinations(den):
      comb = [1] + [0] * den
      for coin in AVAIL_COINS:
          for i in range(len(comb) - coin):
              comb[i+coin] += comb[i]
      return comb[-1]
  if __name__ == '__main__':
      print(coin_combinations(200))