Fix input reading to strip out newlines

Author: Hamatti

src/utils.py

@@ -16,7 +16,7 @@ def read_input(day, transformer=str, example=False):
  else:
  filename = f'day_{day}.txt'
  with open(os.path.join('..', 'inputs', filename)) as input_file:
- return [transformer(line) for line in input_file]
+ return [transformer(line.strip()) for line in input_file]
  except FileNotFoundError as e:
  print(e)
  sys.exit(1)