please fix and solve the issue my matlab code : $\%$Mike$\_$id$\_$hw$\_$main.mclear all close all clc import random import numpy as np Grid size GRID$\_$SIZE $=11$ MAX$\_$MOVES $=1000$ TRIALS $=5000$ def random$\_$walk$(\text{'}$start$\_$x$,$ start$\_$y$\text{'})$; Directions: $(\text{'}$dx$,$ dy$\text{'})$ for up$,$ down, left, right, stay directions $=[(\text{'}0,1\text{'}),(\text{'}0,-1\text{'}),(\text{'}-1,0\text{'}),(\text{'}1,0\text{'}),(\text{'}0,0\text{'})]$ up$,$ down, left, right, stay x$,$ y $=$ start$\_$x$,$ start$\_$y while True; move $=$ random.choices$($directions$,$ weights$=[0\mathrm{.}2,0\mathrm{.}2,0\mathrm{.}2,0\mathrm{.}2,0\mathrm{.}2])[0]$ new$\_$x$,$ new$\_$y $=$ x $+$ move$[\text{'}0\text{'}],$ y $+$ move$[\text{'}1\text{'}]$ Ensure walker stays within grid boundaries if $-$GRID$\_$SIZE new$\_$x GRID$\_$SIZE$//2$ and $-$GRID$\_$SIZE new$\_$y GRID$\_$SIZE$//2$: x$,$ y $=$ new$\_$x$,$ new$\_$y yield $($x$,$ y$)$ def simulate$\_$collision$()$; start$\_$a $=(\text{'}-5,0\text{'})$ start$\_$b $=(\text{'}5,0\text{'})$ walker$\_$a $=$ random$\_$walk$(\text{'}$start$\_$a$\text{'})$ walker$\_$b $=$ random$\_$walk$(\text{'}$start$\_$b$\text{'})$ for move$\_$count in range$(1,$ MAX$\_$MOVES$+1)$: pos$\_$a $=$ next$($walker$\_$a$)$ pos$\_$b $=$ next$($walker$\_$b$)$ if pos$\_$a $==$ pos$\_$b; return move$\_$count return MAX$\_$MOVES results $=[$simulate$\_$collision$()$ for in range$($TRIALS$)]$ median$\_$moves $=$ int$($np$.$median$($results$))$ Display the result in the required format print$($f$"$Median $=\{$median$\_$moves:$02\}"$