old_contents: import os
  import numpy as np
  
  print("Helper functions imported")
  
  def load_data(data_dir, filename):
      with open(os.path.join(data_dir,filename), 'r') as file:
          raw = file.read().replace('t', ',').split(',')
  
      data = np.asarray(raw)[0:32000].reshape((10,40,40,2))
      data = data.astype(np.float)
      return data
  
new_contents: import os
  import numpy as np
  
  def load_data(data_dir, filename):
      with open(os.path.join(data_dir,filename), 'r') as file:
          raw = file.read().replace('t', ',').split(',')
  
      data = np.asarray(raw)[0:32000].reshape((10,40,40,2))
      data = data.astype(np.float)
      return data
  
subject: Remove unnecessary print statement