Prep Room
Sign inCreate account
Code Room
Code reviewHardcr-g534
Subject Code reviewLevel Senior–Staff~20 minCommon in Code quality & review interviewsIndustries Software development

Question

Review this Python scheduler that computes the next daily-9am run.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix — specific and kind.

Learn the concepts
Talk through your review
Code to reviewpython
from datetime import datetime, timedelta def next_run(now: datetime) -> datetime:    target = now.replace(hour=9, minute=0, second=0, microsecond=0)    if target <= now:        target = target + timedelta(days=1)    return target def seconds_until(now):    return (next_run(now) - now).total_seconds()
Run or narrate your approach, then ask the coach.