what is the error in this code

import numpy as np

class BernoulliBandit:

def $\_\_$init$\_\_($self$,$ p$,$ verbose$=$True$)$:

self.p $=$ p

if verbose:

print$("$Creating BernoulliBandit with p $=\{$:$\mathrm{.}2$f$\}".$format$($p$))$

def pull$($self$)$:

return np$.$random.binomial$(1,$ self.p$)$import random

class BanditsGame:

def $\_\_$init$\_\_($self$,$ K$,$ T$,$ verbose$=$True$)$:

self.T $=$ T

self.K $=$ K

self.bandits $=[$BernoulliBandit$($np$.$random.uniform$(),$ verbose$)$ for i in range$($K$)]$

# self.bandits $=[$BernoulliBandit$($np$.$random.RandomState$($i$).$uniform$(),$ verbose$)$ for i in range$($K$)]$

self.verbose $=$ verbose

def run$\_$stochastic$($self$)$:

results $=$ np$.$zeros$(($self$.$T$))$

for t in range$($self$.$T$)$:

k $=$ random.randrange$($self$.$K$)$

results$[$t$]=$ self.bandits$[$k$].$pull$()$

if self.verbose:

print$("$T$=\{\}\backslash$t Playing bandit $\{\}\backslash$t Reward is $\{$:$\mathrm{.}2$f$\}".$format$($t$,$ k$,$ results$[$t$]))$

return resultsgame $=$ BanditsGame$($K$=3,$ T$=20)$

game.run$\_$stochastic$()$

def run$\_$simulation$($n$\_$runs, runs$\_$per$\_$game, K$,$ T$)$:

results $=$ np$.$zeros$(($K$,$T$))$

for run in range$($n$\_$runs$)$:

run$\_$results $=$ np$.$zeros$(($K$,$T$))$

for run in range$($runs$\_$per$\_$game$)$:

game $=$ BanditsGame$($K$=$K$,$ T$=$T$,$ verbose$=$False$)$

run$\_$results $+=$ game.run$\_$stochastic$()$

results $+=$ run$\_$results $/$ runs$\_$per$\_$game

results $=$ results $/$ n$\_$runs

return results

stochastic$\_$results $=$ run$\_$simulation$($n$\_$runs$=10,$ runs$\_$per$\_$game$=100,$ K$=3,$ T$=1000)$

stochastic$\_$results $=$ stochastic$\_$results.mean$($axis$=0)$

print$("$Mean reward: $\{$:$\mathrm{.}2$f$\}".$format$($stochastic$\_$results.mean$()))$

print$("$G: $\{$:$\mathrm{.}2$f$\}".$format$($stochastic$\_$results.sum$()))$