Introduction to Jupyter Notebook:Python Programming for Absolute beginners in Hindi #05

Jupyter Notebook: An Introduction:
The Jupyter Notebook is an open source web application that you can use to create and share documents that contain live code, equations, visualizations, and text. Jupyter Notebook is maintained by the people at Project Jupyter.
Jupyter Notebooks are a spin-off project from the IPython project, which used to have an IPython Notebook project itself. The name, Jupyter, comes from the core supported programming languages that it supports: Julia, Python, and R. Jupyter ships with the IPython kernel, which allows you to write your programs in Python, but there are currently over 100 other kernels that you can also use.
Creating a Notebook:
Now that you know how to start a Notebook server, you should probably learn how to create an actual Notebook document.
All you need to do is click on the New button (upper right), and it will open up a list of choices. On my machine, I happen to have Python 2 and Python 3 installed, so I can create a Notebook that uses either of these. For simplicity’s sake, let’s choose Python 3.
Naming:
You will notice that at the top of the page is the word Untitled. This is the title for the page and the name of your Notebook. Since that isn’t a very descriptive name, let’s change it!
Just move your mouse over the word Untitled and click on the text. You should now see an in-browser dialog titled Rename Notebook.
Running Cells:
A Notebook’s cell defaults to using code whenever you first create one, and that cell uses the kernel that you chose when you started your Notebook.
In this case, you started yours with Python 3 as your kernel, so that means you can write Python code in your code cells. Since your initial Notebook has only one empty cell in it, the Notebook can’t really do anything.
Thus, to verify that everything is working as it should, you can add some Python code to the cell and try running its contents.
Let’s try adding the following code to that cell:
print('Introduction to Jupyter Notebook')
Running a cell means that you will execute the cell’s contents. To execute a cell, you can just select the cell and click the Run button that is in the row of buttons along the top. It’s towards the middle. If you prefer using your keyboard, you can just press Shift+Enter.
The Jupyter Notebook has several menus that you can use to interact with your Notebook. The menu runs along the top of the Notebook just like menus do in other applications. Here is a list of the current menus:

File
Edit
View
Insert
Cell
Kernel
Widgets
Help

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