16 - Dictionaries II - looping.ipynb

Kernel: Python 3 (system-wide)

Exercise 16.1

Loop through the dictionary mushrooms printing each scientific name.

mushrooms = {
    'Fistulina hepatica':'Beefsteak',
    'Laetiporus sulphureus':'Chicken-of-the-Woods',
    'Flammulina velutipes':'Enoki',
    'Hericium erinaceus':'Lion’s Mane',
    'Pholiota nameko':'Nameko',
    'Pleurotus ostreatus':'Pearl oyster',
    'Ganoderma lucidium':'Reishi',
    'Lentinus edodes':'Shiitake'}

for mushroom in mushrooms:
    print(mushroom)

Exercise 16.2

Loop through mushrooms printing both the scientific and common names.

for sci_name, common_name in mushrooms.items():
    print(f'{sci_name}\t{common_name}')

Exercise 16.3

Loop through mushrooms printing the scientific name in alphabetical order.

for mushroom in sorted(mushrooms):
    print(mushroom)

Exercise 16.4

Loop through mushrooms with the scientific name in reverse alphabetical order.

for sci_name, common_name in sorted(mushrooms.items(), key=lambda kv: kv[1]):
    print(f'{sci_name}\t{common_name}')