file handling in c++ :
in c++ file handling is a program in which we write a program and save the in put data in computer hard as a text file . in file program we create a txt file and change it at any time .
using file handling method we print a and save the file as written . in above video we create a file which have a txt file all all the data which we are get in are saving in txt file and at the end we can print this data