
import random
import matplotlib
import matplotlib.pyplot as plt
import time
def rollDice():
roll = random.randint(1,100)
if roll == 100:
return False
elif roll <= 50:
return False
elif 100 > roll >= 50:
return True
def doubler_bettor(funds,initial_wager,wager_count):
global broke_count
value = funds
wager = initial_wager
wX = []
vY = []
currentWager = 1
previousWager = 'win'
previousWagerAmount = initial_wager
while currentWager <= wager_count:
if previousWager == 'win':
if rollDice():
value += wager
wX.append(currentWager)
vY.append(value)
else:
value -= wager
previousWager = 'loss'
previousWagerAmount = wager
wX.append(currentWager)
vY.append(value)
if value < 0:
broke_count += 1
currentWager += 10000000000000000
elif previousWager == 'loss':
if rollDice():
wager = previousWagerAmount * 2
value += wager
wager = initial_wager
previousWager = 'win'
wX.append(currentWager)
vY.append(value)
else:
wager = previousWagerAmount * 2
value -= wager
previousWager = 'loss'
previousWagerAmount = wager
wX.append(currentWager)
vY.append(value)
if value < 0:
currentWager += 10000000000000000
broke_count += 1
currentWager += 1
plt.plot(wX,vY)
def simple_bettor(funds,initial_wager,wager_count):
####
global broke_count
value = funds
wager = initial_wager
wX = []
vY = []
currentWager = 1
while currentWager <= wager_count:
if rollDice():
value += wager
wX.append(currentWager)
vY.append(value)
else:
value -= wager
wX.append(currentWager)
vY.append(value)
###add me
if value < 0:
currentWager += 10000000000000000
broke_count += 1
currentWager += 1
plt.plot(wX,vY)
x = 0
broke_count = 0
while x < 1000:
simple_bettor(10000,100,1000)
x+=1
print(('death rate:',(broke_count/float(x)) * 100))
print(('survival rate:',100 - ((broke_count/float(x)) * 100)))
plt.axhline(0, color = 'r')
plt.ylabel('Account Value')
plt.xlabel('Wager Count')
plt.show()
Your results may vary a bit, but you will get something close to:
('death rate:', 1.0)
('survival rate:', 99.0)
