Answers for "how to get specific key value from dictionary in python"

how to get the key for a value in a dictionary in python

# function to return key for any value 
def get_key(val): 
    for key, value in my_dict.items(): 
         if val == value: 
             return key 
  
    return "key doesn't exist"
  
# Driver Code 
  
my_dict ={"java":100, "python":112, "c":11} 
  
print(get_key(100)) 
print(get_key(11))

how to get key of a particular value in dictionary python using index

mydict = {'george': 16, 'amber': 19}
print(list(mydict.keys())[list(mydict.values()).index(16)])  # Prints george

how to get a specific key in a dictionary python

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

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)