How to use a variable as dictionary key using f-string in python? Question: I’m trying to print dictionary item value of a dictionary but my item is also an another user input variable. How can I print the selected value with f-string? option = ” languages = {‘1′:’Learn Python’, ‘2’:’Learn Java’, ‘3’:’Learn C++’, ‘4’:’Learn PHP’, …
Union of dict objects in Python Question: How do you calculate the union of two dict objects in Python, where a (key, value) pair is present in the result iff key is in either dict (unless there are duplicates)? For example, the union of {‘a’ : 0, ‘b’ : 1} and {‘c’ : 2} is …
Extract a subset of key-value pairs from dictionary? Question: I have a big dictionary object that has several key value pairs (about 16), but I am only interested in 3 of them. What is the best way (shortest/efficient/most elegant) to subset such dictionary? The best I know is: bigdict = {‘a’:1,’b’:2,….,’z’:26} subdict = {‘l’:bigdict[‘l’], ‘m’:bigdict[‘m’], …
