Results for “dictionaries”

Showing 11–20 of 31

  1. 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

  2. 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

  3. Challenge

    JSON out

    Turn the day's mission summary dict into JSON text with json.dumps() and indent=2, see what True, False and None become, then keep the station's Polish letters readable and sort the keys so the files…

    Write the code Easy 2 stages json json.dumps modules import

  4. Challenge

    Real JSON

    The launch code from "API response" worked on a ready-made dict, but the API really sends JSON text. Turn it into a dict with json.loads(), see what false and null become, then handle a response cut…

    Write the code Easy 2 stages json json.loads modules import

  5. Challenge

    Extra log fields

    Extend format_log() from "Log formatter function" with **fields, so any extra keyword arguments are added to the line as key=value pairs, then pass whole dicts of fields into it with ** at the call.

    Write the code Medium 2 stages functions **kwargs keyword arguments dictionaries

  6. Challenge

    Parser function

    Move the feed parser from "Line to record" into parse_line(line), which returns the record dict, then let it return None for blank, comment and damaged lines so the loop only keeps real records.

    Fix the code Medium 2 stages functions return dictionaries None

  7. Challenge

    Sort by a field

    Sort launches by date with sorted() and a small function that returns each launch's date, then sort the cargo manifest heaviest first with a key function and reverse=True.

    Write the code Easy 2 stages functions sorted key reverse

  8. Challenge

    Summary function

    Write summarise(readings), which returns the count, min, max and mean of a list of readings as one dict, then make it handle a pass with no data and round the mean, so any program can use the summary.

    Write the code Medium 2 stages functions return dictionaries min

  9. Challenge

    Test the parser

    Write assert checks for parse_line() from "Parser function": the whole record for a good line first, then None for a blank line, a comment and a line with a missing field, so a broken parser can't…

    Write the code Medium 2 stages testing assert parsing None

  10. Challenge

    Validate a cargo record

    Write validate_cargo(item), which returns a list of everything wrong with a cargo record: missing fields and a negative mass, then a cargo ID that doesn't match the CG- and four digits format. An…

    Write the code Medium 2 stages functions return lists validation