Number Guessing Game

This program contains a number guessing game. The program selects a random number from a range (1-100) and the player has to guess it correctly. The number of incorrect guesses is being counted except when the guess is an invalid input. Player is also given advise whether his/her guessed number was too low or too high. The lowest amount of guesses is also being kept in a hiscore.txt file. File is being generated on first run of the program.