Python Craps

craps.py

# https://colab.research.google.com/drive/1TOeASp1DeDlkNxEqpgnK3Rf8_q495GD9?usp=sharing

# Craps is a dice game usually found at casinos. This python script tries to generate
# the largest possible sequence of psudo-random dice rolls before "sevening out".
# The world record is currently held by Patricia Demauro, with a score of 154.

import random
from functools import reduce

longest = 0
failed = 0
sequence = []

def roll():
  return random.randint(1,6)

def craps(rolls = 0):
  global longest
  global failed
  global sequence
  rolls = rolls + 1

  dice = [roll(),roll()]
  sequence.append(dice)
  
  if(reduce(lambda x, y: x+y, dice) == 7):
    if(rolls > longest):
      longest = rolls
      print(f"{rolls} rolls, that's a new record! It only took us {failed} craps to get there.")

      with open("sequence.txt", "w") as f:
        f.write(str(sequence))
        f.close()
      failed = -1

    failed = failed + 1
    sequence = []
    return rolls

  craps(rolls)

output.txt

9 rolls, that's a new record! It only took us 0 craps to get there.
10 rolls, that's a new record! It only took us 0 craps to get there.
13 rolls, that's a new record! It only took us 4 craps to get there.
19 rolls, that's a new record! It only took us 22 craps to get there.
36 rolls, that's a new record! It only took us 15 craps to get there.
39 rolls, that's a new record! It only took us 356 craps to get there.
57 rolls, that's a new record! It only took us 2625 craps to get there.
61 rolls, that's a new record! It only took us 29688 craps to get there.
65 rolls, that's a new record! It only took us 5756 craps to get there.
69 rolls, that's a new record! It only took us 17297 craps to get there.
84 rolls, that's a new record! It only took us 3335 craps to get there.
90 rolls, that's a new record! It only took us 3880145 craps to get there.
93 rolls, that's a new record! It only took us 6478640 craps to get there.
94 rolls, that's a new record! It only took us 6279793 craps to get there.
100 rolls, that's a new record! It only took us 14157124 craps to get there.
102 rolls, that's a new record! It only took us 21401819 craps to get there.
103 rolls, that's a new record! It only took us 150779093 craps to get there.
111 rolls, that's a new record! It only took us 107975452 craps to get there.

sequence.txt

[[1, 5], [1, 5], [2, 2], [5, 3], [2, 4], [5, 6], [3, 6], [1, 1], [1, 4], [1, 3], [6, 6], [6, 6], [6, 2], [6, 2], [1, 2], [6, 6], [2, 4], [1, 5], [1, 3], [1, 5], [5, 1], [2, 3], [1, 3], [1, 5], [3, 3], [4, 4], [5, 1], [3, 3], [5, 6], [1, 3], [3, 6], [5, 5], [4, 4], [5, 5], [6, 5], [4, 5], [6, 5], [4, 2], [5, 3], [3, 1], [3, 5], [1, 5], [2, 4], [3, 2], [6, 2], [2, 2], [6, 2], [6, 4], [3, 2], [2, 6], [2, 4], [3, 2], [1, 1], [1, 5], [5, 3], [4, 2], [6, 6], [1, 1], [2, 1], [6, 3], [4, 6], [2, 3], [2, 6], [5, 4], [3, 6], [5, 6], [4, 6], [5, 4], [4, 1], [4, 5], [2, 3], [5, 4], [2, 6], [2, 3], [1, 1], [4, 4], [4, 1], [1, 5], [1, 2], [6, 5], [5, 1], [3, 5], [2, 3], [2, 1], [1, 5], [3, 2], [5, 5], [3, 3], [1, 3], [1, 4], [5, 6], [6, 3], [4, 1], [3, 1], [4, 4], [5, 5], [2, 1], [4, 2], [4, 5], [4, 2], [6, 5], [4, 2], [6, 3], [2, 4], [3, 2], [3, 1], [5, 3], [4, 4], [6, 5], [3, 2], [6, 1]]