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Python pattern
Datetime handling
5 problems in this pattern, climbing easy → medium → hard. Pick wherever you're calibrated.
Easy
0 / 2 solved
Extract year, month, and weekday
Python
· ~8 min
NEW
Show each event in its own time zone
Python
· ~10 min
NEW
Medium
0 / 2 solved
Days between order and ship timestamps
Python
· ~9 min
NEW
Trailing 7-day spend per user
Python
· ~14 min
NEW
Hard
0 / 1 solved
Turn naive meter times into UTC across both DST changes
Python
· ~25 min
NEW