text: # line_reader.py
  
  import os
  
  # Function: Will read and return the first line from a file. 
  # The filename and path to this pile will be passed in as 
  # an argument to the function, and the function will open 
  # that file, read in the first line, and return it.
  def read_from_file(filename):
  	if not os.path.exists(filename):
  		raise Exception("Error: File Not Found.")
  	infile = open(filename, "r")
  	line = infile.readline()
  	return line