def metCalorieGoal(calorie_difference, calorie_goal):
  """
  Returns whether a given calorie goal has been met given
  a calorie difference and a calorie goal. 
  """
  
  # The calorie goal is multiplied by negative one because
  # it represents the number of calories lost. 
  calorie_goal_neg = calorie_goal * -1
  
  # Returns whether or not the calorie difference is less
  # than or equal to the negative calorie goal. 
  return calorie_difference <= calorie_goal_neg