code: def read_raw_data(data_fn):
      """
      Reads raw data from a file. Each line contains one example.
      """
      examples = []
      with open(data_fn, "r") as fin:
          for line in fin:
              examples.append(line.strip())
      return examples
  
imports: import os
  import collections
  import tensorflow
label_desc: Use image node_id 2 for calling a global function with example usage: read_raw_data(data_fn) and returns: examples