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How to Add a Library in Jupyter Notebook Online

Deep dive into how to add libraries to a Jupyter Notebook online and enhance its functionality.
By Saturn Cloud | | Miscellaneous | Updated:

Jupyter Notebook is a popular tool among data scientists for creating and sharing interactive notebooks. It allows users to write and run code in a web browser, making it a convenient option for those who don’t want to install software on their local machines. Jupyter Notebook supports many programming languages, including Python, R, and Julia, and it also allows users to add libraries to their notebooks to extend their functionality. In this blog post, we will discuss how to add a library in Jupyter Online Notebook.

Step 1: Open Jupyter Notebook

To add a library to your Jupyter Online Notebook, you first need to open it. You can do this by navigating to the Jupyter website and clicking on the “Try Jupyter” button. This will take you to a new page where you can choose the programming language you want to use. For this tutorial, we will be using Python.

Step 2: Create a New Notebook

Once you have opened Jupyter Notebook, you will see a dashboard with several options. To create a new notebook, click on the “New” button in the top right corner and select Python 3 from the dropdown menu. This will open a new notebook where you can write and run Python code.

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Step 3: Install the Library

To install a library in Jupyter Online Notebook, you need to use the pip command. Pip is a package manager for Python that allows you to install and manage software packages. To install a library, you need to type the following command into a code cell:

!pip install library_name

Replace library_name with the name of the library you want to install. For example, if you want to install the NumPy library, you would type:

!pip install numpy

Once you have typed the command, press Shift + Enter to run it. This will install the library in your notebook.

Step 4: Import the Library

After you have installed the library, you need to import it into your notebook to use its functions. To import a library, you need to type the following command into a code cell:

import library_name

Replace library_name with the name of the library you want to import. For example, if you want to import the NumPy library, you would type:

import numpy

Once you have typed the command, press Shift + Enter to run it. This will import the library into your notebook.

Step 5: Use the Library

After you have imported the library, you can use its functions in your code. For example, if you have imported the NumPy library, you can use its array function to create a new array:

import numpy as np

my_array = np.array([1, 2, 3, 4, 5])
print(my_array)

Output:

[1 2 3 4 5]

In this example, we have imported the NumPy library and given it an alias np. We then use the np.array function to create a new array and assign it to the variable my_array. We then use the print function to display the contents of the array.

Conclusion

Adding a library to your Jupyter Online Notebook is a simple process that can greatly enhance its functionality. By following the steps outlined in this blog post, you can install and import libraries into your notebook and use their functions in your code. Whether you are working on a data analysis project or a machine learning model, adding libraries can help you save time and write more efficient code. So go ahead and try it out for yourself!

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