what i want to do it this
1. read a file containing big numbers as a list (one in each line). the numbers are big .. reaching upto 10 digits
2. read the file line by line -> get the number as a string
3. extract m lower order bits from the number
now i have done steps 1 and 2 but for the 3rd one im not sure how to go about it ... any help will be much appreciated.