Results for “refactoring”

Showing 1–10 of 13

  1. Challenge

    Statistics module

    Refactor the temperature summary: delete the hand-written mean() and median() and use statistics.mean() and statistics.median() instead, then add the standard deviation and handle passes with too few…

    Fix the code Easy 2 stages statistics mean median stdev

  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

    Copy-pasted blocks

    Replace three copy-pasted tank-status blocks with a list of (name, level) pairs and one loop, keeping the output exactly the same, then add a fourth tank with a single list item and list the low…

    Fix the code Medium 2 stages refactoring for loop tuples lists

  4. Challenge

    Flatten nested ifs

    Refactor a docking check built from three nested ifs into one condition joined with and, keeping the output exactly the same, then rewrite it as a flat if/elif chain that reports the first check that…

    Fix the code Medium 2 stages if elif and nested conditions

  5. Challenge

    Magic numbers

    …out where the magic numbers hide, then give them names. Refactoring means improving code without changing what it does, so the output has to stay exactly the same. Predict and run Don't run the code…

    Fix the code Easy 3 stages constants refactoring variables clean code

  6. Challenge

    Legacy script

    A 70-line engine report repeats the same twelve lines for each engine. Restructure it into parse_feed() and summary_line() with the output unchanged to the character, then add assert tests that would…

    Fix the code Hard 2 stages project refactoring functions testing

  7. Challenge

    Logging instead of print

    The tank check is full of prints left over from debugging. Replace them with logging calls at the right levels, so debug records stay hidden until switched on, then give the fuel code its own named…

    Fix the code Medium 2 stages logging debug info warning

  8. Challenge

    Extract a function

    Move a 3D distance calculation that is copied for three waypoints into distance_km(a, b), keeping the output exactly the same, then put the waypoints in a dict and find the nearest one with the same…

    Fix the code Easy 2 stages functions refactoring return tuples

  9. Challenge

    Guard clauses

    Rewrite the four nested ifs in can_dock() as guard clauses that return a reason as soon as a check fails, keeping every answer the same, then add a new docking rule as one more guard with a default…

    Fix the code Medium 2 stages functions return guard clauses refactoring

  10. Challenge

    Log formatter function

    Move the mission log's f-string into format_log(t, level, msg), a function that returns the line instead of printing it, then fix the alignment of every log line with one change inside the function.

    Fix the code Easy 2 stages functions def return refactoring