In season
=========

Exercise
--------

.. interactive_code_block:: 
   :caption: Find out which vegetables are available at a specified season

   # SOURCE: https://www.bio-austria.at/d/konsument/saisonkalender/
   seasonal_calendar = {
       # f = fresh, s = stocked, w = winter vegetables, - = not in season
       #                   JFMAMJJASOND
       'broccoli':        '-----fffffww',  # Brokkoli
       'chinese cabbage': 'ss-----fffww',  # Chinakohl
       'endive':          '------fffffs',  # Endivien/Friese
       'pea':             '-----fff----',  # Erbsen
       'potatoe':         'sssssfffffss',  # Erdäpfel
       'cucumber':        '-----fff----',  # Feldgurken
       'fennel':          '-----fffff--',  # Fenchel
       'green bean':      '-----ffff---',  # Fisolen
       'head lettuce':    '----ffffff--',  # Häuptelsalat
       'cauliflower':     '----ffffff--',  # Karfiol
       'carrot':          'wwwssffffsww',  # Karotte
       'garlic':          'ssssssffssss',  # Knoblauch
       'cabbage':         'ss---ffffffs',  # Kohl
       'turnip cabbage':  'w---ffffffww',  # Kohlrabi
       'brussels sprout': 'ff------ffff',  # Kohlsprossen
       'pumpkin':         'sss----fffss',  # Kürbis
       'white cabbage':   'ss--ffffffss',  # Kraut
       'lollo rosso':     '----ffffff--',  # Lollo Rosso
       'corn':            '------fff---',  # Mais
       'chard':           '----sssssss-',  # Mangold
       'eggplant':        '------ffff--',  # Melanzani
       'bell pepper':     '-----fffff--',  # Paprika
       'tomato':          '-----fffff--',  # Paradeiser
       'parsnip':         'wwws----ffww',  # Pastinaken
       'leek':            'fwws-fffffff',  # Porree
       'radicchio':       '-------ff---',  # Radicchio
       'radish':          '---fffffff--',  # Radieschen
       'red beet':        'ssssssffffws',  # Rote Rübe
       'celery':          'ssssssffffss',  # Sellerie
       'asparagus':       '----fff-----',  # Spargel
       'spinach':         'wwwffff-fffw',  # Spinat
       'celery stalk':    '-----fffff--',  # Stangensellerie
       'corn salad':      'ffff----ffff',  # Vogerlsalat
       'zucchini':        '------ffff--',  # Zucchini
       'onion':           'sssssffffsss'   # Zwiebel
   }

   month_names = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']


   # How many vegetables are available in November?
   month = 11
   availabile_vegetables = []
   # ...

   print('In {}, {} varieties of vegetables are available fresh or in stock.'.format(month_names[month - 1], len(availabile_vegetables)))


   # Which vegetables are available fresh in November?
   month = 11
   availabile_vegetables = []
   # ...

   print('In {}, {} varieties of vegetables are available fresh.'.format(month_names[month - 1], len(availabile_vegetables)))


   # Which vegetables have a short season
   max_season_length = 3
   availabile_vegetables = []
   # ...

   print('During the year, {} vegetables are available only for a maximum of {} months.'.format(len(availabile_vegetables), max_season_length))