How to install Jupyter Lab

Jupyter lab the next generation of Project Jupyter

JupyterLab is the next-generation user interface for Project Jupyter offering all the familiar building blocks of the classic Jupyter Notebook (notebook, terminal, text editor, file browser, rich outputs, etc.) in a flexible and powerful user interface. JupyterLab will eventually replace the classic Jupyter Notebook.

Se volete visitare la repository di jupyter lab andate al seguente indirizzo:
If you want to see the github jupyter lab repository go here:

https://github.com/jupyterlab/jupyterlab

Let's install Jupyter lab

To install Jupyter lab you just have to use pip that comes with Python. Go in the search bar of windows, type cmd and in the cmd type

pip install jupyterlab

then, on the cmd itself type

jupyter lab and you're done.

The browser will open with a nice page that looks like this

Comments

Widgets for Jupyter Notebook: a text input widget

Widgets for Jupyter notebook ¶ Let's import the module ipywidgets into the Jupyter Notebook from ipywidgets import widgets from ipywidgets import * from traitlets import * Now we import the display function from IPython ¶ let's attach a function to the event on_submit After we run this cell, we can go up and write something in the text widget and after you submit the text you wrote will be printed after the cell from IPython.display import display text = widgets . Text () display ( text ) def handle_submit ( sender ): print ( "Thank you for entering this text:" , text . value ) text . on_submit ( handle_submit ) Thank you for entering this text: Ciao

Image in Jupyter and PIL step by step

Hi, """ Hi, we will see a step by step tutorial about PIL and IPython.core.display modules to create images from other images and diplaying them in Jupyter notebook """ # What we will do # Create a card # 1. Take a pic of a heart # 2. Create an image blanck the size of a card 90*130 # 3. Paste the heart in the middle # 4. show the card """ As first step wi will simply display an image on the notebook. I will show two way to display the image with 'display' from IPhyton a. Using the open method of PIL.Image (named Img) b. Using the Image method from the IPython.core.display module """ # 1. Take the pic of a heart from IPython.core.display import Image , display from PIL import Image as Img heart = 'img/heart.png' display ( Image ( heart )) display ( Img . open ( heart )) # 2. Create an image blanck the size of a card 90*130 # 3. Paste the heart in the middle #...

Let's draw a circle with PIL in Python

Let's continue making our coding around PIL. Let's start with some basic drawing: a circle from PIL import Image , ImageDraw img = Image . new ( "RGB" ,( 60 , 60 ), 'white' ) dr = ImageDraw . Draw ( img ) dr . ellipse (( 0 , 0 , 60 , 60 ), 'yellow' ) img . show () this is the image produced *If you use jupyter notebook, just write img at the end to see the output.

Pythoprogs aka Python programs

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