Level 5Exercise #120
Preset an argument
Create a hexadecimal string parser by pre-filling int's base argument.
What you’ll practice
This Level 5 exercise focuses on functools.partial in the Algorithms curriculum. Solve the challenge prompt above using clear, idiomatic Python and the relevant language or standard-library tools.
Relevant Python reference: functools — Higher-order functions.
Sample Test Cases
Example #1
Input:
hex_parser()('ff')Output:
255Further Reading
Reference Solution
Reveal Reference Solution
def hex_parser(): from functools import partial return partial(int, base=16)Pro Tips & Keyboard Shortcuts
Color Theme
Ctrl + K then T
Open VS Code Color Theme Quick Pick to select from 20 dark and light themes.
Editor SettingsCtrl + K
Open practice settings drawer to toggle line numbers, indenting, font size & hints.
Search MenuCtrl + /
Expand sidebar menu, focus search bar, and highlight search text instantly.
Focus Code Editor
Esc or Ctrl + `
Instantly highlight and focus code editor from anywhere, restoring cursor right where you left off.
Normal ViewEsc
Collapse sidebar and close all popups or settings drawers for clean focus view.