Code Lab BetaBUILD. RUN. DISCOVER.
Code Lab is in development. New lessons and improvements are on the way. Progress can be deleted.
PYTHON / CHAPTER 03
Python
Text.
Text in Python: indexes, methods, f-strings, range/while, and a small analyzer. Lessons with Learn and Practice; challenges are separate.
Choose a section
Lesson with explanation and a guided task. Theory stays readable; completion requires a passing solution.
Challenges are optional and do not block the next chapter.
9 lessons available
The foundations behind your ideas.
- 01Open lesson
String Index · Locked
Index and slice
- 02Open lesson
String Tools · Locked
len, in, upper/lower/find/replace
- 03Open lesson
Strip Split Join · Locked
strip, split, join
- 04Open lesson
F-Strings · Locked
f-string formatting
- 05Open lesson
Range Enumerate · Locked
range and enumerate
- 06Open lesson
While Loop · Locked
while and stop condition
- 07Open lesson
Break Continue · Locked
break and continue
- 08Open lesson
Counters Search · Locked
Counters and search in loops
- 09Open lesson
Text Diary · Locked
Capstone: strings + loops