1.) execute "git clone https://github.com/vishal-bansal/ansh-system.git" 
2.) execute command "git pull origin Developer" 
3.) execute tasks as follows: 
task1 - php Task1/task1.php addition, php Task1/task1.php addition 1, php Task1/task1.php addition 2,6 
task2 - php Task2/task2.php addition 1,2,3,4,5,6,7,8,9,10 
task3 - php Task3/task3.php addition 2\n3,4 
task4 - php Task4/task4.php addition \\;\\3;4;5, php Task4/task4.php addition \\-\\3-4-5 
task5 - php Task5/task5.php addition \\,\\2,7,-3,5,-2, 
task6 - php Task6/task6.php addition \\,\\2,7,-3,5,-2, 
task7 - php Task7/task7.php addition 10,20,1010,20 
task8 - php Task8/task8.php multipication 2,5, php Task8/task8.php multipication 2,5,7,8,9, php Task8/task8.php multipication 2\n3,4, php Task8/task8.php multipication \\;\\3;4;5, php Task8/task8.php multipication \\-\\3-4-5, php Task8/task8.php multipication 2,5\,\2,7,-3,5,-2, php Task8/task8.php multipication 10,20,1010,20