Lecture Notes || SNS Courseware

Subject Details

Dept : CSE

Sem : 3

Regul : 2023

Faculty : Ms.N.Subasri

phone : 8270681316

E-mail : subasri.n.cse@snsce.ac.in

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Lecture Notes

UNIT 1:

Introduction to Python Programming

Variables and Data Types

Operators in Python

Conditional Statements: if, elif, else

Input and Output Functions

Variables and Data Types

Loops: while Loop

UNIT 2:

Defining and Calling Functions

Function Arguments

Return Statements and Scope

Modular Programming

Lambda Functions

Modular Programming

Illustrative programs: square root, gcd, exponentiation, sum an array of numbers, linear search, binary search.

Return Statements and Scope

UNIT 3:

List Methods and Comprehension

Tuples: Creation and Use Cases

Dictionary Methods and Operations

Sets: Creation and Operations

Nested Data Structures

Illustrative programs: simple sorting, histogram, Students marks statement, Retail bill preparation.

Iterating Over Data Structures

UNIT 4:

Illustrative programs: word count, copy file, Voter’s age validation, Marks range validation (0-100).

Error Handling in File Operations

Best Practices in File Handling

File Modes and Operations

Introduction to File Handling

Best Practices in File Handling

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