bettest.py

import random

betRange = [79.0, 81.0]

def doBet (bet, winRange, mul):
	r = random.randint (1, 9999) / 100.0
	if r >= winRange[0] and r <= winRange[1]:
		return bet * mul
	else:
		return -bet


def testCase1 (jack = 1.0):
	bal   = 0.00500000
	base = 0.00000001
	current_bet = base
	n = 0
	strike = 0
	giveup = 0
	won = 0
	current_limit = 100


	while bal > 0.0 and bal < jack and bal > current_bet:
		ch = doBet (current_bet, betRange, 49.5)
		bal += ch

		if (ch > 0.0):
			current_bet = base
			strike = 0
			won += 1
		else:
			if strike <= current_limit:
				current_bet += base
				strike += 1
			else:
				base = base * 10
				current_limit = current_limit * 10
				current_bet = base
				strike = 0

		#print bal, strike, giveup, won
		n += 1

	if bal >= jack:
		return (True,n)
	else:
		return (False,n)



def testCase2 (jack = 1.0):
	bal   = 0.0100000
	base =  0.0000001
	current_bet = base
	n = 0
	strike = 0
	giveup = 0
	won = 0
	current_limit = 100


	while bal > 0.0 and bal < jack and bal > current_bet:
		ch = doBet (current_bet, betRange, 49.5)
		bal += ch

		if (ch > 0.0):
			current_bet = base
			strike = 0
			won += 1
		else:
			if strike <= current_limit:
				current_bet += base
				strike += 1
			else:
				current_bet = base
				strike = 0

		#print bal, strike, giveup, won
		n += 1

	if bal >= jack:
		return (True,n)
	else:
		return (False,n)

totWin = 0
totLos = 0
avgWin = 1.0
avgLos = 1.0

for i in range (0, 1000000):
	(win,n) = testCase1 (0.1)

	if win:
		avgWin = (avgWin + n) / 2
		totWin += 1
	else:
		avgLos = (avgLos + n) / 2
		totLos += 1	

	print avgWin, totWin, '\t\t', avgLos, totLos, '\t\t', (float (totWin) / (0.1+float (totLos+totLos)) * 100.0)