Python Installation and First Program
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Lecture 8:- Python Installation and First Program
To get started with Python, you'll need to install the Python interpreter on your computer and then write and run your first Python program. Here are the steps to do that:
Step 1: Python Installation
- Go to the official Python website: https://www.python.org/downloads/
- Download the latest stable version of Python for your operating system (Windows, macOS, or Linux).
- Run the installer and follow the installation wizard's instructions. Make sure to check the option "Add Python X.X to PATH" during installation (where X.X represents the version number).
Step 2: Verify Python Installation After the installation, you can verify if Python is installed correctly by opening a terminal (on macOS and Linux) or a Command Prompt (on Windows) and typing the following command:
bashCopy code
python --versionThis should display the installed Python version, confirming that Python is successfully installed on your computer.
Step 3: Write and Run Your First Python Program Now that Python is installed, you can create your first Python program. Here's a simple "Hello, World!" program:
- Open a text editor (e.g., Notepad on Windows, TextEdit on macOS, or any code editor like Visual Studio Code, Sublime Text, or PyCharm).
- Type the following Python code into the text editor:
pythonCopy code
print("Hello, World!")
- Save the file with a .py extension, for example, "hello_world.py". The .py extension indicates that this is a Python script.
- Open a terminal or Command Prompt, navigate to the directory where you saved the "hello_world.py" file, and run the Python script with the following command:
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python hello_world.pyYou should see the output:
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Hello, World!Congratulations! You've written and executed your first Python program.
From here, you can continue exploring Python's capabilities, learning more about the language, and building more complex and exciting projects. Happy coding!
- 1. Background Part 1 (IO Devices, CPU and Memory) In Python
- 2. Background Part 2 (Computer Organization & Operating System) In Python
- 3. Why Do We Need Programming Languages in Python
- 4. Python Introduction in Python
- 5. Python Standard and Implementations in Python
- 6. How Python Programs are Executed
- 7. Python Programming Terminology
- 8. Python Installation and First Program
- 9. Comments in Python
- 1. Arithmetic Operators in Python
- 2. Logical Operators in Python
- 3. Identity Comparison Operators in Python
- 4. Membership Test Operators in Python
- 5. Bitwise Operators in Python Part 1
- 6. Bitwise Operators In Python Part 2
- 7. Arithmetic Progression nth Term in Python
- 8. Geometric Progression nth Term in Python
- 9. Sum Of Natural numbers In Python
- 10. Find Last Digit In Python
- 11. Day Before N Days In Python
- 1. Loops In Python
- 2. While Loops In Python
- 3. range() In Python
- 4. For Loop In Python
- 5. Table Of A Number In Python
- 6. Break In Python
- 7. Continue In Python
- 8. Nested Loop In Python
- 9. Square Pattern In Python
- 10. Printing Triangle Pattern In Python
- 11. Inverted Triangle In Python
- 12. Pyramid Pattern In Python
- 13. Count Digits In Python
- 14. Factorial In Python
- 15. GCD In Python
- 16. LCM In Python
- 17. Fibonacci Numbers In Python
- 18. Check For Prime In Python
- 19. All Divisors In Python
- 20. Optimizations Of All Divisors And Prime Python
- 1. Strings In Python
- 2. Escape Sequences And Raw Strings Python
- 3. Formatted String In Python
- 4. String Operations Part(1) In Python
- 5. String Operations Part(2) In Python
- 6. String Comparison in Python
- 7. Pattern Searching In Python
- 8. Check For Palindrome In Python
- 9. Reverse A String In Python
- 10. Decimal to Binary In Python
- 11. Binary to Decimal Conversion In Python
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