Haute Vallee School - Dr Galan
Edexcel GCSE CS · 1CP2

String Manipulation
in Python

6 lessons combining file handling & string functions — from guided to independent

upper() / lower() len() find() isalpha() isdigit() isspace() indexing slicing File I/O
🟢 Full support Support fades as you progress → 🔴 Independent
LESSON 01
📂

File Recap & First Strings

Refresh file reading & writing. Meet strings — copy & run complete code in IDLE.

open()read()write()upper()lower()
🟢 Full scaffold
→
LESSON 02
📏

Length & Indexing

Measure strings and pick out characters by position. Fill in the missing parts.

len()indexing [ ]slicing [ : ]
🟢 Mostly guided
→
LESSON 03
🔍

Finding & Searching

Search inside strings. Fix the buggy code and complete the gaps yourself.

find()inselection
🟡 Some scaffolding
→
LESSON 04
🔎

Checking Characters

Inspect strings character-by-character. Spot the errors and write sections from hints.

isalpha()isdigit()isspace()
🟡 Less scaffolding
→
LESSON 05
⚙️

Combining It All

Read, process, and write. You write most of the code — only light hints provided.

All functionsfor loopif/elif
🔴 Mostly independent
→
LESSON 06
🏆

Final Challenge

No code provided. You design, write and test the full program from scratch.

All topicsIndependent
🔴 Full independence
→