Python pattern

Set operations

3 problems in this pattern, climbing easy → medium → hard. Pick wherever you're calibrated.

Easy

0 / 1 solved

Check a file header against the expected columns
Python · ~8 min
NEW

Medium

0 / 1 solved

Diff two snapshots into added / removed / changed
Python · ~12 min
NEW

Hard

0 / 1 solved

Find tables with near-identical schemas
Python · ~20 min
NEW