fix my code for me

import random

# Generate random bubble size

def generate$\_$bubble$\_$size$()$:

return random.randint$(0,9)$

# Displays ASCII characters instead of numbers

def display$\_$bubbles$($bubbles$)$:

ascii$\_$chars $=[\text{'}.\text{'},\text{'}$:$\text{'},\text{'}$;$\text{'},\text{'}-\text{'},\text{'}=\text{'},\text{'}+\text{'},\text{'}*\text{'},\text{'}\%\text{'},\text{'}$#$\text{'},\text{'}$@$\text{'}]$

display $=\text{'}\text{'}.$join$($ascii$\_$chars$[$size$]$ for size in bubbles$)$

print$($display$)$

# Function to apply rules to update bubble sizes

def update$\_$bubbles$($bubbles$)$:

new$\_$bubbles $=$ bubbles$[$:$]$

for b in range$($len$($bubbles$))$:

# Rule $1$: If a bubble is size $9,$ it bursts and becomes size $0$

if bubbles$[$b$]==9$:

new$\_$bubbles$[$b$]=0$

# Rule $2$: If a bubble is size $2,$ it stays the same size

if bubbles$[$b$]==2$:

new$\_$bubbles$[$b$]=2$

# Rule $3$: If a bubble is size $1-3,$ it has a $50\%$ to grow by $1$

elif $1<=$ bubbles$[$b$]<=3$:

if random.random$()<0\mathrm{.}5$: # $50\%$ chance to grow

new$\_$bubbles$[$b$]+=1$

# Rule $4$: If a bubble is size $6-8,$ it has a $20\%$ chance to shrink by $1$

if $6<=$ bubbles$[$b$]<=8$:

if random.random$()<0\mathrm{.}2$: # $20\%$ chance to shrink

new$\_$bubbles$[$b$]-=1$

# Rule $5$: If a bubble is adjacent to a size $9$ bubble, it grows by $1$

if $($b $>0$ and bubbles$[$b$-1]==9)$ or $($b $<$ len$($bubbles$)-1$ and bubbles$[$b$+1]==9)$:

new$\_$bubbles$[$b$]=$ min$($new$\_$bubbles$[$b$]+1,9)$

# Rule $6$: If bubble is adjacent to a size $9$ bubble in next gen, it shrinks by $1$

if new$\_$bubbles$[$b$]==9$:

bubbles$[$b$]-=1$

# Rule $7$: If bubble is size $3,$ it has a $20\%$ chance to become size $8$

if bubbles$[$b$]==3$:

if random.random$()<0\mathrm{.}2$: # $20\%$ to become $8$

new$\_$bubbles$[$b$]=8$

return new$\_$bubbles

# Input for number of bubbles and generations

def main$()$:

while True:

num$\_$bubbles $=$ int$($input$("$Enter the number of bubbles $(0-20)$: $"))$

num$\_$generations $=$ int$($input$("$Enter the number of generations $(0-20)$: $"))$

if $0<=$ num$\_$bubbles $<=20$ and $0<=$ num$\_$generations $<=20$:

break

else:

print$("$Please enter valid numbers within range."$)$

# Initialize bubbles

bubbles $=[$generate$\_$bubble$\_$size$()$ for $\_$ in range$($num$\_$bubbles$)]$

# Simulate generations

for generation in range$($num$\_$generations$)$:

print$($f$"$Generation $\{$generation $+1\}$:$")$

display$\_$bubbles$($bubbles$)$

bubbles $=$ update$\_$bubbles$($bubbles$)$

if $\_\_$name$\_\_=="\_\_$main$\_\_"$:

main$()$