Level 4Exercise #76
Cartesian coordinates
Generate every (row, column) coordinate for a grid.
What you’ll practice
This Level 4 exercise focuses on product in the Itertools curriculum. Solve the challenge prompt above using clear, idiomatic Python and the relevant language or standard-library tools.
Relevant Python reference: itertools.product.
Sample Test Cases
Example #1
Input:
coordinates(rows=2, cols=3)Output:
[(0,0),(0,1),(0,2),(1,0),(1,1),(1,2)]Further Reading
Reference Solution
Reveal Reference Solution
def coordinates(rows: int, cols: int) -> list[tuple[int,int]]: from itertools import product return list(product(range(rows), range(cols)))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.