Results for “insert”

9 results

  1. Challenge

    Roster changes

    …a day's crew changes to a list: append() a new member, insert() a backup at position 1, remove() someone who left, then pop() the newest member and print who was reassigned.

    Write the code Easy 2 stages lists append insert remove

  2. Challenge

    Log to a file

    …each line without its line break: [T+00:10:00] INFO Orbit insertion complete [T+00:12:05] WARN Battery 3 temperature high [T+00:14:47] ERROR Fuel valve 2 not responding The hidden tests also open…

    Write the code Easy 2 stages files open with write

  3. Challenge

    Mission elapsed time

    …since launch, after the three lines from before: Orbit insertion: T+0:11:12 Solar array deployed: T+0:32:00 First image: T+3 days, 4:15:30 Parse each timestamp as it is, offset included, and subtract…

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

  4. 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

  5. Challenge

    Count warnings

    Count the entries and the WARN lines in a multi-line mission log with count(), fix the count when a message mentions WARN itself, then summarise the log by level.

    Write the code Medium 3 stages strings count multi-line strings logs

  6. Challenge

    Counter

    Refactor the level counter from "Entries per level": replace the dict and counts.get() with collections.Counter, which starts every key at 0, then list the levels from most to least common with…

    Fix the code Easy 2 stages collections Counter most_common dictionaries

  7. Challenge

    Entries per level

    Count the mission log's entries per level, INFO, WARN and ERROR, in a dict of counters, then count any level at all with get() when DEBUG lines turn up, and print the levels in alphabetical order.

    Write the code Easy 2 stages dictionaries counting get sorted

  8. Challenge

    Filter the log

    Go through the mission log and build a new list holding only the WARN and ERROR entries with append(), then let a minimum level decide what counts, the way logging tools filter by severity.

    Write the code Medium 2 stages for loop lists append filtering

  9. Challenge

    First error

    Scan the mission log for the first ERROR entry, print its line number with enumerate() and stop there with break, then report how many lines were checked, or that there were no errors at all.

    Write the code Easy 2 stages for loop break enumerate flags