Checking if a Python package is installed in Linux is a crucial task for any developer or system administrator.

It allows them to ensure that all necessary packages are installed before running a program or debugging an issue. In this tutorial, we will guide you through the steps on how to check if a Python package is installed in Linux.

Steps:

Step 1: Open the terminal

To begin, open the terminal by pressing the “Ctrl+Alt+T” keys simultaneously.

Step 2: Check if the package is installed using pip

The easiest way to check if a Python package is installed in Linux is by using the pip package manager. Simply type the following command in the terminal, replacing “package_name” with the name of the package you want to check:

If the package is installed, the terminal will display its version information. If it is not installed, there will be no output.

Step 3: Check if the package is installed using dpkg

If you are using a Debian-based distribution such as Ubuntu, you can also check if a Python package is installed using the dpkg command.

Simply type the following command in the terminal, replacing “package_name” with the name of the package you want to check:

If the package is installed, the terminal will display “Status: install ok installed”. If it is not installed, there will be no output.

Step 4: Check if the package is installed using apt-get

If the package is not installed and you want to install it, you can use the apt-get command on Debian-based distributions. Simply type the following command in the terminal, replacing “package_name” with the name of the package you want to install:

Conclusion

In this tutorial, we have shown you how to check if a Python package is installed in Linux using various methods. By following these steps, you can ensure that all necessary packages are installed for your programs to run smoothly.

package_name==version_no