Pluck values from list of dictionaries
Converts a list of dictionaries into a list of values corresponding to the specified key
.
- Use a list comprehension and
dict.get()
to get the value ofkey
for each dictionary inlst
.
def pluck(lst, key): return [x.get(key) for x in lst] simpsons = [ { 'name': 'lisa', 'age': 8 }, { 'name': 'homer', 'age': 36 }, { 'name': 'marge', 'age': 34 }, { 'name': 'bart', 'age': 10 } ] pluck(simpsons, 'age') # [8, 36, 34, 10]