https://repl.it/repls/DelayedTrickyModel

Mixing Coin Selection Algorithm.py

import random

VinRounds = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]

#Number of rounds to mix up to
goal = int(float(input("PS Goal:")))

completed = False

totalMixes = 0

while not completed:

  forThisMix = []

  totalMixes = totalMixes + 1

  mixsize = random.randint(1,8)

  #Sorts is so largest are at '0'
  VinRounds = sorted(VinRounds, reverse=True)

  i = 0
  #second part is so that if there are no more denoms to include in a mix it doesn't get into an infinate loop
  while i < mixsize and i < len(list(filter((goal).__ne__, VinRounds))):
    rand = random.random()
    i2 = int(((rand * len(VinRounds) * rand * len(VinRounds)))/len(VinRounds))
    if not forThisMix.__contains__(i2) and VinRounds[i2] < goal:
      forThisMix.append(i2)
      i = i+1

  #increase the round count for those that are included in the mix
  for x in range(len(forThisMix)):
    VinRounds[forThisMix[x]] = VinRounds[forThisMix[x]] + 1

  #Remove all denoms which real the goal, aka those denoms are done
  if VinRounds.__contains__(goal):
    c = VinRounds.count(goal)
    VinRounds = list(filter((goal).__ne__, VinRounds))
    print("#### ", c, " denom(s) Reached Goal in ", totalMixes)

  print(totalMixes, VinRounds)

  #stop if no more denoms to mix
  completed = len(VinRounds) == 0