Beginner Python Course

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About Course

Throughout this course, we will cover fundamental concepts of Python programming, providing a solid foundation for your coding journey. Here’s a summary of the key topics and lessons you will learn:

1. Introduction to Python

  • Definition: Python is a high-level, interpreted programming language known for its readability and simplicity.
  • Installation: Setting up Python on your computer and running your first script.

2. Variables and Data Types

  • Variables: Containers for storing data values.
  • Data Types: Understanding basic data types like integers, floats, strings, and booleans.

3. Basic Operators

  • Arithmetic Operators: +, -, *, /, //, %, **
  • Comparison Operators: ==, !=, >, <, >=, <=
  • Logical Operators: and, or, not

4. Control Structures

  • Conditional Statements: if, elif, else
  • Loops: for loops and while loops for iterating over sequences and repeating tasks.

5. Functions

  • Definition: Reusable blocks of code that perform a specific task.
  • Syntax: define keyword, parameters, return statement.
  • Real-World Example: Functions for calculating the area of shapes.

6. Lists and Tuples

  • Lists: Ordered, mutable collections of items.
  • Tuples: Ordered, immutable collections of items.
  • Common Operations: Accessing elements, slicing, adding, removing, and iterating.

7. File Handling

  • Reading and Writing Files: Using open(), read(), write(), close(), and context managers.
  • File Types: Handling text files, CSV files, and JSON files.

8. Error Handling

  • Exceptions: Handling errors using try, except, finally, and else blocks.
  • Custom Exceptions: Creating and raising custom exceptions for specific error conditions.

Key Exercises and Projects

Throughout the course, you will practise with various exercises and projects to reinforce your learning:

Exercises:

  1. Basic Calculations: Writing a calculator program.
  2. List Operations: Performing common list operations.
  3. Temperature Converter: Converting temperatures between Celsius and Fahrenheit.
  4. File Reading and Writing: Creating and reading from text files.
  5. Basic Exception Handling: Handling invalid inputs and division by zero.

Assignments:

  1. Simple Calculator: Building a calculator for basic arithmetic operations.
  2. Grocery List Manager: Managing a list of grocery items.
  3. Student Grade Calculator: Calculating and categorising student grades.
  4. Todo List: Creating a simple todo list application.
  5. Expense Tracker: Tracking expenses and calculating total spent.
  6. Temperature Converter: Handling custom exceptions for temperatures below absolute zero.
  7. Bank Account Management System: Managing bank accounts with deposits, withdrawals, and custom exceptions.
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Course Content

Topic 1: Introduction to Python
Python is a high-level, interpreted programming language known for its simplicity and readability. It supports multiple programming paradigms, including procedural, object-oriented, and functional programming. Python is widely used in various fields such as web development, data analysis, artificial intelligence, scientific computing, and automation. Companies like Google, NASA, and Instagram use Python for different purposes.

  • Getting Started:
  • Exercise 1:

Topic 2: Basic Syntax and Operations
Basic syntax refers to the set of rules that define the combinations of symbols that are considered to be correctly structured programs in a language. In Python, this includes indentation, variable assignment, data types, and operators. Key Concepts: Indentation: Python uses indentation to define blocks of code. Variables: Used to store data that can be referenced and manipulated. Data Types: Common data types include integers, floats, strings, and booleans. Operators: Symbols that perform operations on variables and values (e.g., +, -, *, /).

Topic 3: Control Flow
Definition: Control flow refers to the order in which individual statements, instructions, or function calls are executed or evaluated in a program. In Python, control flow is managed using conditional statements and loops. Key Concepts: Conditional Statements: Allow you to execute certain code based on a condition (if, elif, else). Loops: Allow you to execute a block of code multiple times (for, while). For Loops are ideal for iterating over a known sequence of elements. While Loops are useful when the number of iterations is not known in advance and depends on a condition. Break and Continue statements provide additional control over loop execution, allowing for more complex logic. Nested Loops enable handling multi-dimensional data and performing repeated operations within loops. Practical Applications of loops often involve arithmetic operations, summations, and real-world problem-solving scenarios. Understanding these loop concepts will significantly enhance your ability to write efficient and effective Python code. Keep practicing, and soon you'll master the art of using loops in your programming projects!

Topic 4: Functions
Functions are reusable blocks of code designed to perform a specific task. They help organize and modularize code, making it more manageable and easier to debug.