0068_shelve.py

import shelve

# with shelve.open('ShelfTest') as fruit:
fruit = shelve.open('ShelfTest')
fruit['orange'] = "a sweet, orange, citrus fruit"
fruit['apple'] = "good for making cider"
fruit['lemon'] = "a sour, yellow citrus fruit"
fruit['grape'] = "a small, sweet fruit growing in bunches"
fruit['lime'] = "a sour, green  citrus fruit"

print(fruit['grape'])
print(fruit['lemon'])
print(fruit)

fruit['lime'] = 'great with tequila'
for snack in fruit:
    print(snack + ": " + fruit[snack])


print('=' * 40)

# while True:
#     dict_key = input('Please enter a fruit: ')
#     if dict_key == 'quit':
#         break
#     if dict_key in fruit:
#         description = fruit[dict_key]
#         print(description)
#     else:
#         print('We don\'t have a ' + dict_key)

# ordered_keys = list(fruit.keys())
# ordered_keys.sort()

# for f in ordered_keys:
#     print(f + " - " + fruit[f])

for v in fruit.values():
    print(v)

print(fruit.values())

for f in fruit.items():
    print(f)

print(fruit.items())

print('=' * 40)

fruit.close()


with shelve.open('ShelfTest') as fruit:
    fruit = {
        "orange": "a sweet, orange, citrus fruit",
        "apple": "good for making cider",
        "lemon": "a sour, yellow citrus fruit",
        "grape": "a small, sweet fruit growing in bunches",
        "lime": "a sour, green  citrus fruit"
    }
print(fruit['lemon'])
print(fruit['grape'])
print(fruit)