CBSE Class 11 Computer Science – Strings

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Study Materials

11th

11th - Computer Science

Strings

Chapter Overview

This chapter introduces strings in Python—an essential data type for handling textual information. Students will learn string creation, indexing, slicing, and various string methods like find(), replace(), lower(), upper(), and more. This chapter also highlights string immutability and best practices for string handling in Python.

Important Keywords

  • String: A sequence of characters enclosed in quotes.
  • Indexing: Accessing characters in a string using their position.
  • Slicing: Extracting a part of a string using start and end indices.
  • Immutability: Strings cannot be modified after creation.
  • String Methods: Built-in functions to manipulate strings (e.g., lower(), upper(), replace()).

Detailed Notes

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