parameters: (occlusion, ymin, ymax, difficulty)
return_statement: return True
docstring: Check if the given label falls into the difficulty category.
  
  	Input:
  		data: One split line of the label file (line.split(' '))
  		difficulty: One of [easy, moderate, hard, all]
  	Returns:
  		True if the label falls within the given difficulty group, False otherwise
docstring_summary: Check if the given label falls into the difficulty category.
docstring_tokens: Check if the given label falls into the difficulty category .
function: def check_label_difficulty(occlusion, ymin, ymax, difficulty):
  	"""
  	Check if the given label falls into the difficulty category.
  
  	Input:
  		data: One split line of the label file (line.split(' '))
  		difficulty: One of [easy, moderate, hard, all]
  	Returns:
  		True if the label falls within the given difficulty group, False otherwise
  	"""
  	if difficulty == 'easy'     and occlusion > 0: return False
  	if difficulty == 'moderate' and occlusion > 1: return False
  	if difficulty == 'hard'     and occlusion > 2: return False
  
  	# Now check the bounding box height
  	height = float(ymax) - float(ymin)
  	if difficulty == 'easy'     and height < 40: return False
  	if difficulty == 'moderate' and height < 25: return False
  	if difficulty == 'hard'     and height < 25: return False
  
  	return True
function_tokens: def check_label_difficulty ( occlusion , ymin , ymax , difficulty ) : if difficulty == 'easy' and occlusion > 0 : return False if difficulty == 'moderate' and occlusion > 1 : return False if difficulty == 'hard' and occlusion > 2 : return False # Now check the bounding box height height = float ( ymax ) - float ( ymin ) if difficulty == 'easy' and height < 40 : return False if difficulty == 'moderate' and height < 25 : return False if difficulty == 'hard' and height < 25 : return False return True