Results for “strings”

Showing 1–10 of 38

  1. Challenge

    Strings don't change

    code[0] = "X" stops with a TypeError, because Python strings can't be changed. Predict the crash, find out what methods and slices really give, build a new string instead, then swap a letter in the…

    Fix the code Easy 3 stages strings immutability slicing TypeError

  3. Challenge

    Debris grid

    Scan a radar grid stored as a list of strings with a loop inside a loop, print the row and column of every # with enumerate(), then turn the loops around to find the columns that are clear all the way…

    Write the code Medium 2 stages nested loops enumerate range strings

  4. Challenge

    File name from data

    …. Then print it: File: eng-2_2026-03-14.csv Inside an f-string's braces you can call methods too: {sensor_id.lower()} . From a name The configuration form gives sensors names like Star Tracker A , and…

    Write the code Easy 3 stages strings f-strings lower replace

  8. 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

  9. Challenge

    Aligned status board

    …the other kind of quotes inside, so they don't end the f-string. Readings on the right The board gets a third column: each system's temperature in °C. Numbers read best aligned to the right, so their…

    Write the code Medium 3 stages f-strings alignment tables formatting

  10. Challenge

    Log line format

    …log line like [T+00:12:05] INFO Engines nominal with an f-string, then build the timestamp from numbers with zero padding.

    Write the code Easy 2 stages f-strings print logs formatting