Results for “timestamp”

Showing 1–10 of 16

  2. Challenge

    Mission elapsed time

    Parse the launch and the latest telemetry timestamp with datetime.fromisoformat(), subtract them to get the mission elapsed time, then time events reported by ground stations in three different time…

    Write the code Medium 2 stages datetime timedelta ISO 8601 time zones

  3. Challenge

    File name from data

    …Star Tracker A , and the time of the first reading as a timestamp. Build the same kind of file name from those: File: star-tracker-a_2026-03-14.csv Make the name lower case, with dashes instead of…

    Write the code Easy 3 stages strings f-strings lower replace

  4. Challenge

    Line to record

    …'C'} Start with records = [] . In the loop, build {"time": timestamp[11:19], "sensor": sensor, "value": float(value), "unit": unit} and append it. The value is a number in the record, so it prints…

    Write the code Easy 2 stages dictionaries lists parsing records

  6. Challenge

    Telemetry pipeline

    A small but complete data pipeline: read the telemetry CSV, reject rows with unknown sensors or broken values and say why, flag readings outside each sensor's limits, and save a JSON summary for the…

    Write the code Hard 3 stages project csv json files

  7. Challenge

    Telemetry from CSV

    Point the feed parser from "Parse the whole feed" at telemetry.csv: read it with csv.DictReader, using the header row for the field names, then find the hottest temperature reading, comparing the…

    Write the code Medium 2 stages csv csv.DictReader files open

  8. Challenge

    Test the pipeline

    The telemetry pipeline is now split into parse_row() and check_limits(). Write assert tests for both, good rows, rejected rows and readings right at a limit, so that each of three planted bugs makes…

    Write the code Hard 2 stages project testing assert try

  9. Challenge

    Log analyser

    Turn the launch-day mission log into answers: parse each line into a dict, count the entries per level and per hour, find the first ERROR, then rank the subsystems by how many warnings they raised.

    Write the code Hard 3 stages project logs parsing Counter

  10. Challenge

    Survive bad lines

    Extend the feed parser from "Skip blanks and comments": a faulty sensor sends ERR and float() stops the program. Skip lines that fail to convert and count them, then let one try cover short lines too…

    Write the code Medium 2 stages errors try except ValueError