primeCounting.py: To see pi(x),li(x),x/lnx comparisons and the difference between li(x) and x/lnx with pi(x). appendPrimes.py: To add more values and their prime/composite category to the primes.txt file. Must change the file name in append function. newPrimesList.py: To create new list of primes being written to files.

Read description in each of the files for more information.