def process_food_journals(food_journals, diet):
    """
    Arguments:
        food_journals (list[list[str]]): A list of food journals,
        where each food journal is a list and the elements of each
        journal are strings representing the food in the journal.

        diet (set[str]): The food requirements of a diet, represented
        by a set of strings. Each string represents a food that should
        be in each food journal.

    Returns:
        list[list[str]]: A list of all journals that contain at least all of
        the foods in diet.
    """
    good_journals = []

    for food_list in food_journals:
        if meets_diet(food_list, diet):
            good_journals.append(food_list)

    return good_journals

def meets_diet(foods, diet):
    """
    Arguments:
        foods (list[str]): A food journal, represented by a list of
        strings. Each string represents a food item.

        diet (set[str]): The food requirements of a diet, represented
        by a set of strings. Each string represents a food that should
        be in each food journal.

      Returns:
          bool: Should return True if all of the strings in diet are
          contained in foods, and False otherwise.
    """
    for diet_item in diet:
        if diet_item not in foods:
            return False

    return True








diet1 = set(["Banana", "Yogurt"])
journals1 = [\
    ["Banana", "Mashed potatoes", "Carrots", "Yogurt"],\
    ["Banana", "Yogurt"],\
    ["Yogurt", "Yogurt", "Milk", "Ramen"],\
    ["Banana", "Ramen", "Steak", "Cheese", "Banana"]]

diet2 = set(["Pasta", "Apple juice", "Asparagus", "Cereal"])
journals2 = [\
    ["Apple juice", "Asparagus", "Pasta", "Pasta", "Cereal"],\
    ["Milk", "Cookies", "Juice"],\
    ["Pecan pie", "Cereal", "Milk", "Asparagus", "Apple juice", \
    "Milk", "Pasta", "Cheese"],\
    ["Banana", "Asparagus", "Cereal", "Cereal"]]

# These are the calls to the function
print "The first diet requires:", diet1
print "The good food journals in journals1 for diet1 are:"
print process_food_journals(journals1, diet1)

print "\n--------------------------------------------------\n"
print "The second diet requires:", diet2
print "The good food journals in journals2 for diet2 are:"
print process_food_journals(journals2, diet2)