human
best way to extract subset of key-value pairs from python dictionary object
assistant
Here is some code to best way to extract subset of key-value pairs with keys matching 'l', 'm', or 'n' from python dictionary object

{k: bigdict[k] for k in list(bigdict.keys()) & {'l', 'm', 'n'}}

#Warning: this code generation is experimental. Please inspect the code for any bugs before executing.