python code in linux

January 19, 2024

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Title: Getting Started with Python on Linux: A Step-by-Step Tutorial
Introduction:
Python is a versatile and powerful programming language, widely used for various applications, including web development, data analysis, artificial intelligence, and automation. This tutorial will guide you through the process of setting up and running Python code on a Linux system. We’ll cover installation, basic syntax, and provide code examples to help you get started.
Most Linux distributions come with Python pre-installed, but it’s recommended to use the latest version. Open a terminal and use the package manager to install Python:
Replace apt-get with the package manager of your distribution (e.g., yum for CentOS, dnf for Fedora).
Check if Python is installed correctly by running the following command:
This should display the installed Python version.
Let’s create a basic Python script. Open a text editor and create a file named hello.py with the following content:
Save the file and return to the terminal. Navigate to the directory containing the script and run it:
You should see the output: Hello, Python on Linux!
Virtual environments are essential for managing dependencies in Python projects. Create a virtual environment using the following commands:
Activate the virtual environment:
You’ll see the prompt change, indicating the virtual environment is active. Install packages within this environment without affecting the global Python installation.
Install external libraries using pip, the Python package manager. For example, let’s install the popular requests library:
Create a new script, e.g., http_request.py, and use the requests library to make an HTTP request:
Run the script:
Deactivate the virtual environment when you’re done:
Congratulations! You’ve successfully set up Python on Linux, created a simple script, worked with a virtual environment, and installed an external library. This tutorial provides a foundation for further exploration and development in the Python programming language on your Linux system.
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