text: # MIT License
  #
  # Copyright (c) 2020 Andrew Krepps
  #
  # Permission is hereby granted, free of charge, to any person obtaining a copy
  # of this software and associated documentation files (the "Software"), to deal
  # in the Software without restriction, including without limitation the rights
  # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  # copies of the Software, and to permit persons to whom the Software is
  # furnished to do so, subject to the following conditions:
  #
  # The above copyright notice and this permission notice shall be included in all
  # copies or substantial portions of the Software.
  #
  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  # SOFTWARE.
  
  
  import os
  
  
  def get_input_file_path(file_name):
      """Get the path to the input file with a given name (inside the input directory in the project root)"""
      parent_path = os.path.split(os.path.abspath(__file__))[0]
      return os.path.join(parent_path, '..', 'input', file_name)
  
  
  def get_input_file_lines(file_name):
      """Get the non-empty lines from the input file with a given name"""
      with open(get_input_file_path(file_name)) as f:
          return remove_blank_lines(f)
  
  
  def get_input_data_lines(data):
      """Get the non-empty lines from a string containing all input data"""
      return remove_blank_lines(data.split("\n"))
  
  
  def remove_blank_lines(lines):
      """Get all non-blank lines out of a list of lines"""
      return [line_out for line_out in (line_in.strip() for line_in in lines) if len(line_out) > 0]
  