how to get specific key from dictionary in python code example

Example 1: python dictionary get default

dictionary = {"message": "Hello, World!"}

data = dictionary.get("message", "")

print(data)  # Hello, World!

Example 2: how to get a specific key in a dictionary python

>>> print(fruit.get('kiwi'))
2.0

Example 3: extract specific key values from python dictionary

test_data = [{'id':1, 'value':'one'}, {'id':2, 'value':'two'}, {'id':3, 'value':'three'}]

generator = ( item['value'] for item in test_data )

...

for i in generator:
    do_something(i)