Pratique du Shadowing: Google Colab for Python Beginners - Visually Explained - Apprendre l'anglais à l'oral avec la vidéo

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Have you ever wanted to learn

Python but always felt like it was complicated and you didn't know where to start?

Here's the good news, you don't have to install or configure anything.

Stay with us and in the next 90 seconds you'll learn how to write and run your first line of Python code.

We can do that thanks to Google Colab.

It is a free tool that lets you write and run

Python code directly in your browser

so let's jump in to get started we open our browser

and make sure we're signed into our google account then we'll type google colab in the search bar

and choose colab in the search results once the page loads at the bottom left of the window

we click new notebook perfect now we have our first python notebook ready to use see this empty box

This is called a code cell, and it's where we'll write our first line of Python code.

Let's start simply by telling

Python to display on screen the text, hello world.

We tell Python to display text by writing print followed by a set of parentheses.

Inside the parentheses, we write the text we want to print between quotation marks.

Awesome.

We've now written our first line of Python code.

the next step is to tell python to run the code to do

that we click the play button on the left side of the cell nice

we can see from the green check next to the cell

and the output that our code ran successfully

and very quickly in under 90 seconds

we've gone from python feels complicated to actually coding now this is pretty basic stuff

but it's the first step in your python journey.

There's so much more we can do.

For example, let's see how to use

Python to do some calculations for us.

We'll start by clearing our cell.

Notice that when we do this, the cell output doesn't change.

To update the cell output, we need to run the cell again.

Great, now we have a clean slate let's

now do a simple calculation say five plus three running the cell python performs the calculation

and displays eight notice that here we didn't use print

and python still outputs the answer that's because colab automatically shows the results of the last line in a cell

to see what we mean let's add another calculation above our current one say two plus three

Running the cell, we only see eight, the result of the last line.

The first calculation still runs, but its result isn't displayed.

To see both results, we need to print them.

Now, when we run the cell, both results appear.

Awesome.

To keep experimenting, let's add more cells.

When we hover at the bottom or top of a cell, a few buttons appear.

Clicking plus code adds a brand new code cell that's ready for more code.

Let's try a different calculation this time, 12 times 7.

Running the cell gives us 84.

Each cell works independently, which means we can edit and rerun them whenever we want.

This makes it really easy to experiment and try different things.

But as we add more cells to our notebook, we might want to leave ourselves some notes about what our code does.

To do this, we can add a different type of cell to the notebook, a text cell.

Inside the text cell, we can leave ourselves a note or explain our code.

They also allow us to format our text using something called markdown.

These asterisks are markdown formatting.

The text cells shows the raw text and markdown on the left, and then previews what it will look like on the right.

You don't need to know markdown to use text cells, but if you're curious about it, we left a link to learn more in the description.

When we select close on the text cell, we see what was in the preview before.

to edit this text cell we simply double click it and change the text to something new

awesome now we know how to work with both code

and text cells

but the current organization of our notebook where the text cell follows the calculations is not ideal

it would make more sense if the text cell was above the calculations to move this cell above our two calculation cells,

we can click the arrow on the upper right of the cell and move it to the top.

Looks better!

But as useful as text cells are, sometimes we also might want to add notes inside of our code cells.

We can do this with code comments.

To write a comment, we start with the hashtag symbol.

Then we can write any text we want.

When we run this cell, Python will ignore the comment.

It's just for us.

To confirm this, let's add our super secret calculation code below it and run the cell.

Great, we only get the result of the calculation.

Comments are helpful for reminding us of our code's purpose when we come back to it.

Awesome, now as we work, we might end up with cells we no longer need.

Let's see how to remove them.

We can delete a cell by clicking on it, and then clicking the trash icon in the top right corner of the cell. And poof!

The cell is gone!

Great!

Now that we're comfortable running, adding, and removing cells, we're almost done building our first notebook.

To finish up, let's give the notebook a useful name, like Calculations Practice.

Great, this notebook is automatically saved in Google Drive.

We can confirm this by clicking

File, Locate, and Drive.

We are then taken to a new tab where this notebook is saved in our drive.

Perfect, before we wrap up, let's head back to our notebook to learn a handy shortcut.

To run a cell, instead of clicking the play button, we can press

Shift plus Enter on our keyboard.

this runs the cell and automatically moves us to the next one really useful

when working through a notebook to see what other shortcuts colab offers we can go to tools

and keyboard shortcuts there are lots of options here feel free to explore

and customize them how you'd like

if you'd like to practice what you've learned in this video check out the notebook

we created it has a few exercises to get you started.

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Vocabulaire et conseils d’expression pour cette leçon

Cette leçon d’expression orale s’appuie sur la vidéo « Google Colab for Python Beginners - Visually Explained ». Les mots qui reviennent le plus souvent : cell, text, code, python, notebook. Cette vidéo contient 92 phrases et 1079 mots à répéter en shadowing. La partie parlée dure 7:12. Le locuteur parle à un rythme naturel d’environ 150 mots par minute, proche d’une conversation courante. 87 % des mots font partie des 3 000 mots les plus courants en anglais, le vocabulaire est donc facile à suivre.

Vocabulaire clé de cette vidéo

15 mots de la vidéo à retenir, avec leur prononciation et leur sens :

Mot	Prononciation	Sens
calculation nom	/ˌkælkjuˈleɪʃn̩/	calcul
notebook nom	/ˈnoʊtˌbʊk/	cahier, calepin
output nom	/ˈaʊtpʊt/	sortie
complicated adjectif	/ˈkɑm.plɪˌkeɪ.tɪd/	compliqué, alambiqué
format nom	/ˈfɔːɹ.mæt/	format
confirm verbe	/kənˈfɝm/	confirmer
experiment nom	/ɪkˈspɛɹ.ə.mənt/	expérience
edit verbe	/ˈɛdɪt/	modifier, corriger
keyboard nom	/ˈki.bɔɹd/	clavier
preview nom	/ˈpɹiːvjuː/	aperçu
ignore verbe	/ɪɡˈnɔː/	ignorer, ne pas prêter attention à
curious adjectif	/ˈkjʊɹ.i.əs/	curieux
select verbe	/sɪˈlɛkt/	choisir, sélectionner
successfully adverbe	/səkˈsɛs.fə.li/	avec succès
ideal adjectif	/aɪˈdi(ə)l/	idéal

Les verbes à particule que vous entendrez

Mot	Sens
check out verbe	mater, regarder
finish up verbe	fignoler
wrap up verbe	emballer

Des phrases à répéter

Des phrases courtes et complètes de la vidéo, à réutiliser dans la conversation de tous les jours :

There's so much more we can do.
We'll start by clearing our cell.
To keep experimenting, let's add more cells.
Let's see how to remove them.

La grammaire de cette vidéo

Les structures que le locuteur utilise le plus, avec les mots exacts de la vidéo :

Structure	Dans la vidéo
Present perfect have/has + participe passé — une action passée qui compte encore maintenant	Have you ever wanted · We've now written · we've gone
Voix passive be + participe passé — l’accent est mis sur ce qui arrive, pas sur qui le fait	is called · isn't displayed · is automatically saved
Possibilité avec « might / may » might/may + verbe — quelque chose de possible mais pas certain	might want · might end
Futur avec « will » will + verbe — une décision, une promesse ou une prédiction	you'll learn · we'll type · we'll write

Prononciation à surveiller

Le locuteur utilise 19 contractions et formes réduites, comme we'll, we're, didn't. Prononcez-les sous leur forme courte, telles que vous les entendez.

Les sons « sh » et « zh »: calculation /ˌkælkjuˈleɪʃn̩/, trash /tɹæʃ/, hashtag /ˈhæʃˌtæɡ/, quotation /kwoʊˈteɪʃn̩/, shortcut /ˈʃɔːtkʌt/
Mots longs — placez bien l’accent: complicated /ˈkɑm.plɪˌkeɪ.tɪd/, experiment /ɪkˈspɛɹ.ə.mənt/, successfully /səkˈsɛs.fə.li/, independently /ˌɪndɪˈpɛndəntli/, parenthesis /pəˈɹɛn.θə.sɪs/

Les sons difficiles pour les francophones :

/h/ — il se souffle, il n’est pas muet: helpful /ˈhɛlp.fl̩/, hashtag /ˈhæʃˌtæɡ/, hover /ˈhɒvə/
/r/ anglais — langue recourbée, sans frotter la gorge: format /ˈfɔːɹ.mæt/, experiment /ɪkˈspɛɹ.ə.mənt/, keyboard /ˈki.bɔɹd/, preview /ˈpɹiːvjuː/, browser /ˈbɹaʊ.zəɹ/

Comment s’entraîner avec cette vidéo

Écoutez la vidéo en entier une fois sans parler et notez les mots que vous ne connaissez pas.
Commencez à la vitesse 0,75×, répétez phrase par phrase, puis revenez à la vitesse normale quand cela devient facile.
Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme calculation, notebook, output.

Qu'est-ce que la technique du Shadowing ?

Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.

Technique du shadowing : lire le guide complet étape par étape →

Pratique du Shadowing: Google Colab for Python Beginners - Visually Explained - Apprendre l'anglais à l'oral avec la vidéo

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