ef read$\_$input$\_$file$($input$\_$file$)$:

$"""$

Reads the input file and stores the data in a dictionary.

Args:

input$\_$file $($str$)$: The name of the input file.

Returns:

dict: A dictionary where keys are the number of seasons and values are lists of TV shows.

$"""$

data$\_$dict $=\{\}$ # Initialize an empty dictionary to store the data

with open$($input$\_$file, $\text{'}$r$\text{'})$ as file: # Open the input file in read mode

lines $=$ file.readlines$()$ # Read all lines from the file

for i in range$(0,$ len$($lines$),2)$: # Iterate over pairs of lines

seasons $=$ int$($lines$[$i$].$strip$())$ # Parse the number of seasons

show $=$ lines$[$i$+1].$strip$()$ # Parse the TV show

if seasons in data$\_$dict: # Check if the number of seasons already exists in the dictionary

data$\_$dict$[$seasons$].$append$($show$)$ # Append the show to the existing list of shows

else:

data$\_$dict$[$seasons$]=[$show$]$ # Create a new key$-$value pair

return data$\_$dict # Return the populated dictionary

def write$\_$output$\_$keys$($output$\_$file, data$\_$dict$)$:

$"""$

Writes the sorted dictionary keys and associated TV shows to an output file.

Args:

output$\_$file $($str$)$: The name of the output file.

data$\_$dict $($dict$)$: The dictionary containing the TV show data.

$"""$

with open$($output$\_$file, $\text{'}$w$\text{'})$ as file: # Open the output file in write mode

for key in sorted$($data$\_$dict.keys$())$: # Iterate over sorted keys of the dictionary

shows $="$; $".$join$($data$\_$dict$[$key$])$ # Join the shows associated with the key

file.write$($f$"\{$key$\}$: $\{$shows$\}$

$")$ # Write the key$-$value pair to the output file

def write$\_$output$\_$titles$($output$\_$file, data$\_$dict$)$:

$"""$

Writes the sorted TV show titles to an output file.

Args:

output$\_$file $($str$)$: The name of the output file.

data$\_$dict $($dict$)$: The dictionary containing the TV show data.

$"""$

with open$($output$\_$file, $\text{'}$w$\text{'})$ as file: # Open the output file in write mode

for key in sorted$($data$\_$dict.keys$())$: # Iterate over sorted keys of the dictionary

for show in sorted$($data$\_$dict$[$key$])$: # Iterate over sorted shows associated with the key

file.write$($f$"\{$show$\}")$ # Write the show title

file.write$("$

$")$ # Write a new line

def main$()$:

$"""$

Main function to orchestrate the program execution.

$"""$

input$\_$file $=$ input$("$Enter the name of the input file: $")$ # Prompt user for input file name

output$\_$keys$\_$file $=$ "output$\_$keys.txt$"$ # Set output file name for sorted keys

output$\_$titles$\_$file $=$ "output$\_$titles.txt$"$ # Set output file name for sorted titles

# Read input file and store data in a dictionary

data$\_$dict $=$ read$\_$input$\_$file$($input$\_$file$)$

# Write sorted data to output files

write$\_$output$\_$keys$($output$\_$keys$\_$file, data$\_$dict$)$

write$\_$output$\_$titles$($output$\_$titles$\_$file, data$\_$dict$)$

# Print success message

print$($f$"$Results have been written to $\{$output$\_$keys$\_$file$\}$ and $\{$output$\_$titles$\_$file$\}")$

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

main$()$ # Call the main function to execute the program