Results for “python dict”

Showing 11–20 of 58

  1. Challenge

    Mass by category

    Add up the cargo mass of each category into a dict with totals[category] = totals.get(category, 0) + mass, then list the categories from heaviest to lightest with their share of the load.

    Write the code Medium 2 stages dictionaries grouping get sorted

  2. Challenge

    Entries per level

    …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

  3. Challenge

    Line to record

    Extend the feed parser so it stores every reading as a dict with time, sensor, value and unit in a list of records, then let other code pick out one sensor's readings by key.

    Write the code Easy 2 stages dictionaries lists parsing records

  4. Challenge

    Nested response

    …doesn't keep everything at the top level: the rocket is a dict of its own, and the mission holds a list of patch images. The public launch page shows the rocket and the mission patch. Dig the two…

    Write the code Easy 2 stages dictionaries nested data lists JSON

  6. Challenge

    Telemetry from CSV

    …"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 values as numbers.

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

  8. Challenge

    Log analyser

    …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

    Counter

    …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 most_common().

    Fix the code Easy 2 stages collections Counter most_common dictionaries