import os

class FileHandler:

def $\_\_$init$\_\_($self$,$ filename$)$:

self.filename $=$ filename

def read$\_$file$($self$)$:

with open$($self$.$filename, $\text{'}$r$\text{'})$ as file:

data $=$ file.read$()$

return data

def write$\_$file$($self$,$ data$)$:

with open$($self$.$filename, $\text{'}$w$\text{'})$ as file:

file.write$($data$)$

def delete$\_$file$($self$)$:

os$.$remove$($self$.$filename$)$

def main$()$:

filename $=$ input$("$Enter the filename: $")$

file$\_$handler $=$ FileHandler$($filename$)$

while True:

action $=$ input$("$Do you want to Read, Write or Delete the file? $($R$/$W$/$D$)$: $")$

if action.lower$()==\text{'}$r$\text{'}$:

print$($file$\_$handler.read$\_$file$())$

elif action.lower$()==\text{'}$w$\text{'}$:

data $=$ input$("$Enter the data to write: $")$

file$\_$handler.write$\_$file$($data$)$

elif action.lower$()==\text{'}$d$\text{'}$:

file$\_$handler.delete$\_$file$()$

print$("$File deleted successfully."$)$

else:

print$("$Invalid option. Please try again."$)$

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

mEnsure that your report includes the following:

a$)$ Explanation of the algorithm used in the program.

b$)$ Discussion of coding best practices used in the program.

c$)$ Explanation of any issues encountered during development and how they were resolved.

d$)$ Any other relevant information.ain$()$