Results for “dictionaries”

Showing 21–30 of 52

  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  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

  9. Challenge

    Index by ID

    Build a dict that maps every cargo ID to its record, so any item is found with one lookup instead of a search through the list, then answer a list of requests, including an ID that isn't on the…

    Write the code Medium 2 stages dictionaries indexing lookup in

  10. Challenge

    Lookup table

    Replace a nine-branch elif that maps planets and the Moon to surface gravity with a dict and one get() lookup, keeping the output exactly the same, then loop over the dict for a weight table.

    Fix the code Medium 2 stages dictionaries refactoring lookup tables get