Python Syllabus for Class 9

 

Python Syllabus for Class 9

Unit 1: Revision of Previous Concepts

Input and Output (print(), input(), type conversion)

Variables & Data Types (int, float, string, list, dictionary)

Operators (arithmetic, comparison, logical, assignment)

Conditional Statements (if, if-else, if-elif-else, nested if)

Loops (for, while, nested loops, break, continue)

Functions (basics, parameters, return values, built-in functions)

Lists & Dictionaries (creation, accessing, updating, iterating)

Unit 2: Strings (Advanced)

Indexing and slicing of strings

String methods: .upper(), .lower(), .title(), .find(), .replace()

Checking strings: .isalpha(), .isdigit(), .isalnum()

String formatting using f-strings and .format()

Unit 3: Lists, Tuples & Dictionaries (Advanced)

Nested lists and 2D lists (matrix representation)

List methods: .append(), .insert(), .remove(), .pop(), .sort(), .reverse()

Tuples: creation, immutability, unpacking values

Dictionaries: keys and values, updating and deleting items, methods (.keys(), .values(), .items(), .get())

Using list of dictionaries and dictionary of lists

Unit 4: Sets

Introduction to sets and their characteristics

Creating sets, adding and removing elements

Set operations: union, intersection, difference, symmetric difference

Applications of sets (unique elements, membership testing)

Unit 5: Functions (Advanced)

Functions with parameters and return values

Default arguments in functions

Returning multiple values from a function

Recursion (factorial, Fibonacci sequence)

Lambda functions (anonymous functions)

Introduction to map(), filter(), and reduce()

Unit 6: Object-Oriented Programming (OOP Basics)

Understanding classes and objects

Defining attributes (variables inside class)

Defining methods (functions inside class)

Constructor method __init__()

Simple class examples (Student, Circle, Calculator)

Unit 7: File Handling

Opening and closing files

Reading from a file (read(), readline(), readlines())

Writing to a file (write(), writelines())

Appending data to files

Working with simple text data storage

Unit 8: Error Handling

Understanding errors vs exceptions

Using try and except

Handling multiple exceptions

Using finally block

Common exceptions (ValueError, ZeroDivisionError, FileNotFoundError)

Unit 9: Modules & Libraries

Importing and using modules (import, from ... import)

Math module (sqrt, factorial, gcd, power functions)

Random module (random numbers, games)

Datetime module (date and time operations)

OS module (working with files and directories)

Turtle graphics (drawing shapes and patterns)

Unit 10: Projects / Capstone

Library Management System (store and issue books)

Simple Banking System (deposit, withdraw, balance check)

Student Report Card Program (store & calculate marks)

Quiz Application (questions, scoring, saving results)

Games: Rock-Paper-Scissors, Number Guessing

Turtle-based creative art project (patterns, spirals)