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Python Tutorial | Learn Python Programming Language

Last Updated : 18 Nov, 2024
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Python Tutorial - Python is one of the most popular programming languages today, known for its simplicity and ease of use. Whether you're just starting with coding or looking to pick up another language, Python is an excellent choice. Its clean and straightforward syntax makes it beginner-friendly, while its powerful libraries and frameworks are perfect for advanced projects.

Python is used in various fields like web development, data science, artificial intelligence, and automation, making it a versatile tool for professionals and learners alike.

Whether you're a beginner writing your first lines of code or an experienced developer looking to deepen your knowledge, this Python tutorial covers everything, from basics to advanced level, you need to become proficient in Python.

First Python Program to Learn Python Programming

Here is a simple Python code, printing a string. We recommend you to edit the code and try to print your own name.

Python
# Python Program to print a sample string
print("Welcome to Python Tutorial")

Output
Welcome to Python Tutorial

Let us now see what will you learn in this Python Tutorial, in detail:

1. Getting Started with Python Programming

Welcome to the getting started with Python programming section! Here, we'll cover the essential elements you need to kickstart your journey in Python programming. From syntax and keywords to comments, variables, and indentation, we'll explore the foundational concepts that underpin Python development.

Python Tutorial

2. Learn Python Input/Output

In this segment of Python guide, we explore the fundamental aspects of handling input and output operations in Python, crucial for interacting with users and processing data effectively. From mastering the versatile print() function to exploring advanced formatting techniques and efficient methods for receiving user input, this section equips you with the necessary skills to harness Python's power in handling data streams seamlessly.

3. Python Data Types

Python data types offers, enabling you to manipulate and manage data with precision and flexibility. Additionally, we'll delve into the dynamic world of data conversion with casting, and then move on to explore the versatile collections Python provides, including lists, tuples, sets, dictionaries, and arrays.

Python Data Types

By the end of this section, you'll not only grasp the essence of Python's data types but also wield them proficiently to tackle a wide array of programming challenges with confidence.

4. Python Operators

In this section of Python Operators we will cover from performing basic arithmetic operations to evaluating complex logical expressions. Here We'll delve into comparison operators for making decisions based on conditions, and then explore bitwise operators for low-level manipulation of binary data. Additionally, we'll unravel the intricacies of assignment operators for efficient variable assignment and updating. Lastly, we'll demystify membership and identity operators, such as in and is, enabling you to test for membership in collections and compare object identities with confidence.

5. Python Conditional Statement

Python Conditional statements are pivotal in programming, enabling dynamic decision-making and code branching. In this section of Python Tutorial, we'll explore Python's conditional logic, from basic if...else statements to nested conditions and the concise ternary operator. By the end, you'll master these constructs, empowering you to write clear, efficient code that responds intelligently to various scenarios. Let's dive in and unlock the potential of Python's conditional statements.

6. Python Loops

Here, we'll explore Python loop constructs, including the for and while loops, along with essential loop control statements like break, continue, and pass. Additionally, we'll uncover the concise elegance of list and dictionary comprehensions for efficient data manipulation. By mastering these loop techniques, you'll streamline your code for improved readability and performance.

7. Python Functions

Python Functions are the backbone of organized and efficient code in Python. Here, in this section of Python 3 tutorial we'll explore their syntax, parameter handling, return values, and variable scope. From basic concepts to advanced techniques like closures and decorators. Along the way, we'll also introduce versatile functions like range(), and powerful tools such as *args and **kwargs for flexible parameter handling. Additionally, we'll delve into functional programming with map, filter, and lambda functions.

8. Python OOPs Concepts

In this section of Python OPPs, we'll explore the core principles of object-oriented programming (OOP) in Python. From encapsulation to inheritance, polymorphism, abstract classes, and iterators, we'll cover the essential concepts that empower you to build modular, reusable, and scalable code.

9. Python Exception Handling

In this section of Python Tutorial, we'll explore Python Exception Handling that how Python deals with unexpected errors, enabling you to write robust and fault-tolerant code. We'll cover file handling, including reading from and writing to files, before diving into exception handling with try and except blocks. You'll also learn about user-defined exceptions and Python's built-in exception types.

10. Python Packages or Libraries

The biggest strength of Python is a huge collection of Python Packages standard libraries which can be used for the following:

11. Python Collections

Here in this section of Python 3 tutorial, you will explore key data structures provided by Python's collections module. From counting occurrences with Counters to efficient queue operations with Deque, we'll cover it all. By mastering these collections, you'll streamline your data management tasks in Python.

12. Python Database Handling

In this section you will learn how to access and work with MySQL and MongoDB databases

Prerequisites

This Python tutorial is designed for beginners, but it helps if you already have some basic knowledge of programming concepts like variables, commands, and syntax. A little experience with any programming environment will make things easier to follow, but don't worry if you're completely new – we'll guide you through it step by step.

Features of Python

Python stands out because of its simplicity and versatility, making it a top choice for both beginners and professionals. Here are some key features or characteristics:

  1. Easy to Read and Write: Python’s syntax is clean and simple, making the code easy to understand and write, even for those new to programming.
  2. Interpreted Language: Python executes code line by line, which helps in easy debugging and testing during development.
  3. Object-Oriented and Functional: Python supports both object-oriented and functional programming, giving developers flexibility in how they structure their code.
  4. Dynamically Typed: You don’t need to specify data types when declaring variables; Python figures it out automatically.
  5. Extensive Libraries: Python has a rich collection of libraries for tasks like web development, data analysis, machine learning, and more.
  6. Cross-Platform: Python can run on different operating systems like Windows, macOS, and Linux without modification.
  7. Community Support: Python has a large, active community that continuously contributes resources, libraries, and tools, making it easier to find help or solutions.

Applications of Python

Python is widely used across various fields due to its flexibility and ease of use. Here are some of the main applications:

  1. Web Development: Python, with frameworks like Django and Flask, is used to create dynamic websites and web applications quickly and efficiently.
  2. Data Science and Analytics: Python is a go-to language for data analysis, visualization, and handling large datasets, thanks to libraries like Pandas, NumPy, and Matplotlib.
  3. Artificial Intelligence and Machine Learning: Python is popular in AI and machine learning because of its powerful libraries like TensorFlow, Keras, and Scikit-learn.
  4. Automation: Python is commonly used to automate repetitive tasks, making processes faster and more efficient.
  5. Game Development: While not as common, Python is also used for game development, with libraries like Pygame to create simple games.
  6. Scripting: Python’s simplicity makes it ideal for writing scripts that automate tasks in different systems, from server management to file handling.
  7. Desktop GUI Applications: Python can be used to build desktop applications using frameworks like Tkinter and PyQt.

These applications show how Python can be applied to many different fields, making it one of the most versatile programming languages available.

Python vs. Other Programming Languages

Here's a comparison of Python with the programming languages C, C++, and Java in a table format:

Comparison Between Python and other Programming Languages

FeaturePythonCC++Java
TypeInterpretedCompiledCompiledCompiled and Interpreted
ParadigmMulti-paradigm (object-oriented, procedural, functional)Procedural, structuredMulti-paradigm (procedural, object-oriented, generic)Object-oriented, structured
Memory ManagementAutomaticManualManualAutomatic
SyntaxSimpleComplexComplexComplex
PopularityHighHighHighHigh
Use CasesWeb development, data analysis, machine learningSystem programming, embedded systems, game developmentSystem programming, game development, high-performance applicationsLarge-scale applications, enterprise software
Notable Frameworks/LibrariesDjango, FlaskStandard LibraryStandard Library, BoostSpring, Hibernate
Learning CurveModerateSteepSteepModerate
Community SupportStrongStrongStrongStrong
Job MarketAbundantAbundantAbundantAbundant

List of Companies Using Python

Here’s a list of a few renowned companies that use Python in their workflow:

CompanyDescription
GoogleUses Python for various applications, including their search engine and machine learning projects.
InstagramThe backend of Instagram is built using Python, enabling it to handle millions of users efficiently.
SpotifyPython is used for data analysis and backend services, helping improve user recommendations.
DropboxPython powers the desktop client of Dropbox, making it easy to sync files across devices.
NetflixPython helps Netflix with data analysis and managing its content recommendation algorithms.
RedditOne of the largest online communities, Reddit, uses Python for its core functionalities.
UberUber uses Python for various features, including dynamic pricing and data analysis.
PinterestPython plays a key role in the backend of Pinterest, helping scale and manage user content.

This table gives a quick overview of how some of the world’s leading companies use Python in their daily operations.

Careers with Python

Python offer diverse opportunities across industries, here we have listed all the best career opportunity that anyone can pursue after learning Python.

CareerAverage Salary (INR) Per AnnumAverage Salary (USD) Per Annum
Python Developer₹500,000 – ₹1,200,000$60,000 – $110,000
Data Scientist₹600,000 – ₹1,500,000$70,000 – $130,000
Machine Learning Engineer₹700,000 – ₹1,800,000$75,000 – $140,000
Full Stack Developer₹600,000 – ₹1,300,000$65,000 – $120,000
DevOps Engineer₹800,000 – ₹2,000,000$80,000 – $140,000
Automation Engineer₹500,000 – ₹1,200,000$55,000 – $100,000
Data Analyst₹400,000 – ₹900,000$50,000 – $90,000
Software Engineer₹500,000 – ₹1,500,000$65,000 – $120,000
Backend Developer₹600,000 – ₹1,300,000$70,000 – $125,000
AI Engineer₹900,000 – ₹2,500,000$90,000 – $160,000

Python Quiz

To achieve a solid understanding of Python, it’s very important to engage with Python quizzes and MCQs. These quizzes and Python code examples can enhance your ability to solve similar questions and improve your problem-solving skills.

Here are some quiz articles related to Python Tutorial:

Python Latest & Upcoming Features

Python will release Python 3.13 in October 2024 and here in this section we have mentioned all the features that Python 3.12 offer. Along with this we have also mentioned the latest trends.

  • Security Fix: A critical security patch addressing potential vulnerabilities (details not publicly disclosed).
  • SBOM (Software Bill of Materials) Documents: Availability of SBOM documents for CPython, improving transparency in the software supply chain.

Expected Upcoming Features of Python 3.13

  • Pattern Matching (PEP 635): A powerful new syntax for pattern matching, potentially similar to features found in languages like Ruby. This could significantly improve code readability and maintainability.
  • Union Typing Enhancements (PEP 647): Extending type annotations for unions, allowing for more precise type definitions and improved static type checking.
  • Improved Exception Groups (PEP 653): A new mechanism for grouping related exceptions, making error handling more organized and user-friendly.

--> In this tutorial, we've provided the latest Python 3.12 version compiler where you can edit and compile your written code directly with just one click of the RUN Button. So test yourself with Python first exercises.

Python Tutorial - FAQs

What is Python?

Python is a high-level, general-purpose, and very popular programming language which was created by Guido van Rassum and released in 1991. Python programming language (latest Python 3) is being used in web development, and Machine Learning, Mathematic and System Scripting. Python language is being used by almost all tech-giant companies like – Google, Amazon, Facebook, Instagram, Dropbox, Uber… etc.

Is it easy to learn Python?

Yes, Python is considered one of the easiest programming languages to learn, especially for beginners.

Is Python enough to get a job?

Yes, knowing Python can be enough to get a job, especially in certain fields. Python is a versatile programming language widely used across various industries, and it is highly valued for its simplicity, readability, and powerful libraries.

Is Python a good career option?

Yes, Python is a great career choice due to its versatility and high demand across industries like web development, data science, AI, and automation. Its simplicity, extensive libraries, and strong community support make it a top skill with excellent job prospects and competitive salaries.

What kind of job can you get with Python?

After completing Python you and opt for various careers like:

  • Python Developer
  • Web Developer
  • Data Scientist
  • Data Analyst
  • Machine Learning Engineer
  • AI Researcher
  • Automation Engineer
  • Software Engineer
  • DevOps Engineer

What are the examples of Python’s usage in Automation and Job Scheduling

Here are a few examples of Python’s use in automation and job scheduling:

  • Task Automation: Automating file handling and data processing.
  • Web Scraping: Scheduling web data extraction with BeautifulSoup.
  • CI/CD Pipelines: Automating testing and deployment tasks.
  • Job Scheduling: Managing tasks with APScheduler and Celery.
  • Cloud Automation: Automating AWS resources using Boto3.
  • Database Automation: Scheduling backups and reports with SQLAlchemy.

How does Python support interactive mode and debugging?


Python supports interactive mode through its interpreter, allowing real-time code execution and testing line-by-line. For debugging, Python offers the pdb module, enabling step-by-step code execution, breakpoints, and variable inspection, making debugging efficient and straightforward.

How Can Python be integrated with other programming languages?

Python can be integrated with other programming languages through several methods:

  • C/C++ Integration: Using CPython or libraries like ctypes and Cython, Python can call C/C++ code for performance-critical tasks.
  • Java Integration: With Jython, Python can run on the Java platform and seamlessly interact with Java libraries.
  • .NET Integration: IronPython allows Python code to integrate with .NET languages like C#.
  • R Integration: rpy2 enables Python to interact with R for statistical computing.
  • REST APIs: Python can communicate with programs written in any language via RESTful APIs, enabling cross-language data exchange.

What are the key advantages of learning Python?

There are multiple key advantages of learning Python programming language and they are:

  • Easy to Learn: Simple syntax, perfect for beginners.
  • Versatile: Used in web development, data science, AI, and more.
  • In-Demand: High job market demand with strong salaries.
  • Rich Libraries: Extensive libraries for diverse tasks.
  • Cross-Platform: Runs on all major operating systems.

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