Create a simple program that contines two functions as following:

function one for writing in file ( a appends content to a file )

function two for reading from the file.

note: for writing, you should get the text as an input from user.

for reading you should print the text on the screen

The user will be asked to enter his choise : 1 for writing - 2 for reading , 0 for exit (( use while loop )