Odds of predicting a 49.5 % coin is worse than a 50% coin

simulation.py

import random
def simulate(a, b, iterations):
  acount = bcount = 0
  for i in xrange(iterations):
    vala = random.uniform(0, a)
    valb = random.uniform(0, b)
    if vala > valb:
      acount+=1
    elif vala < valb:
      bcount += 1
  if acount > bcount:
    return True
  else:
    return False


def run_simulation(a, b, iterations, simulation_times):
	c = 0.0
	for i in xrange(simulation_times):
		if simulate(a, b, iterations):
			c += 1
	print "At %f vs %f with %d iterations , I get %f over %f a %f of the time" % (a, b, iterations, a, b, c/simulation_times)

a = .495
b = .50
run_simulation(a, b, 10000, 10000)
run_simulation(a, b, 9000, 10000)
run_simulation(a, b, 8000, 10000)
run_simulation(a, b, 7000, 10000)
run_simulation(a, b, 6000, 10000)
run_simulation(a, b, 5000, 10000)
run_simulation(a, b, 4000, 10000)
run_simulation(a, b, 3000, 10000)
run_simulation(a, b, 2000, 10000)
run_simulation(a, b, 1000, 10000)
run_simulation(a, b, 500, 10000)
run_simulation(a, b, 100, 10000)