file = open('/Users/mastermito/Dev/AdventOfCode/Day0/input.txt', 'r') #start of dial number = 50 #counter for zeros counter = 0 lines = file.readlines() for line in lines: step = int(line[1:]) direction = 1 if line.startswith('R') else -1; number = (number + (direction * step)) % 100 print('counter:', counter) file.close()