Lesson 9 of 19
Strings & Formatting
Clean, combine and format text values.
Introduction
Strings are sequences of characters. Use indexing and slicing to read portions of text, and methods such as lower, upper and strip to clean it.
F-strings put expressions inside braces so messages can include values without awkward concatenation.
Key insight
Clean, combine and format text values.
Example
name = "Asha"
city = "Kathmandu"
print(f"{name} lives in {city}.")This example shows the core strings & formatting idea in a small, runnable program.
Real-world example
Strings & Formatting appears in everyday application code, scripts and APIs.
Test yourself
2-question check
1
What is the main idea in Strings & Formatting?
2
Where can strings & formatting be useful?
Ready to check your understanding?
Answer every question, then submit your quiz.
Try it yourself
Python compiler
Runs in your browser. Nothing is sent to a server.
Output appears here
First run downloads the Python runtime, so it may take a moment.
Practice challenge
Format a sentence that includes a product name and price.