Maria looping menu fot a file editing program.

thr looping menu supports three options: Read, Write, or Quit.

Any possible exceptions should be handled with Try/Except blocks.

the read() and write() functions have been written somewhere else

Do not create functions for read or write operation.

- if the user chooses your option for read, call the read() function

- if the user chooses your option for write, call the write() function

The looping menu calls the read and write operations or gracefully quit.

the looping men should handle invalid input gracefully. give a message.

the looping menu input is case insensitive

only write the looping menu