Why not directly using the existing function json.dumps in map?

[muhasuba]

Is there any specific reason or best practice, why use lambda instead directly using the existing function json.dumps in map

python-blockchain-tutorial/backend/util/crypto_hash.py

Line 8 in 0da761a

stringified_args = sorted(map(lambda data: json.dumps(data), args))

stringified_args = sorted(map(json.dumps, args))