Informatics — Grade 9
Programming in Python: variables, conditions and loops, lists, strings, functions, modules and files.
- 11 topics
- 4 chapters
- 16 min
Topics
Topics are grouped into chapters and listed in reading order.
3 topics
- 6
Working with Lists
A list stores several values in one variable. We learn to access items by index, add and remove them, and loop over a list.
Chapter 2. Lists and Strings1 min
- 7
Strings and String Operations
A string is a sequence of characters. We combine, slice, measure and search strings to process text data.
Chapter 2. Lists and Strings1 min
- 11
Reading and Writing Text Files
When a program ends, the data in its variables disappears. We learn to store data permanently by writing to a file and reading from it.
Chapter 4. Working with Files2 min