When to use a dectionary or a list

Lists retain order while dictionaries do not, hence time ordered data should only be used with lists. Dictionaries associate unique hashable keys with values, membership tests are also much faster with dictionaries (foo in bar). Lists allow for arithmetic operations much more readily than lists do (sum(), avg())

ML
Answered by Myles L. Python tutor

1581 Views

See similar Python Mentoring tutors

Related Python Mentoring answers

All answers ▸

When do we use a for-loop and when a while-loop?


Write a simple number guessing game, give the user 3 tries to guess a number between 1 and 10


How do I use for loops in Python?


How do you define a class in python


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences