Pratique du Shadowing: Prompt engineering - Introduction - Apprendre l'anglais à l'oral avec la vidéo

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Welcome to this course on ChatGPT problem engineering for developers.

I'm thrilled to have with me Iza Fulford to teach this along with me.

She is a member of the technical staff of OpenAI and had built the popular ChatGPT retrieval plugin.

And a large part of work has been teaching people how to use OEM or large language model technology in products.

She's also contributed to the OpenAI cookbook that teaches people prompting.

So thrilled to have you with you.

And I'm thrilled to be here and share some prompting best practices with you all.

I'm not sure.

So there's been a lot of material on the internet for prompting,

with articles like "30 Prompts Everyone Has to Know" A lot of that has been focused on the ChatGPT web user interface,

which many people are using to do specific and often one -off tasks.

I think the power of LOM's large language models as a developer too, that is using API calls to LOMs to quickly build software applications.

I think that is still very underappreciated.

In fact, my team at AI Fund, which is a sister company to deep learning AI,

has been working with many startups on applying these technologies to many different applications.

It's been exciting to see what LOM APIs can enable developers to very quickly build.

So in this course, we'll share with you some of the possibilities for what you can do, as well as best practices for how you can do them.

There's a lot of material to cover.

First, you'll learn certain prompting best practices for software development.

Then we'll cover some common use cases, summarising, inferring, transforming, expanding.

And then you'll build a chatbot using an LLM.

Thank you.

We hope that this will spark your imagination about new applications that you can build.

So in the development of large language models or LLMs, there have been broadly two types of LLMs,

which I'm going to refer to as base LLMs and instruction -tuned LLMs.

So base LLM has been trained to predict the next word, based on text training data, often trained on large amount of data from the internet and other sources,

to figure out what's the next most likely word to follow.

So for example, if you were to prompt this, once upon a time there was a unicorn, it may complete this, that is, it may predict the next several words are,

that live in the magical forest of all unicorn friends.

But if you were to prompt us with what is the capital of France, then based on what articles on the internet might have,

it's quite possible that the base LM will complete this with, what is France's largest city, what is France's population and so on.

Because articles on the internet could quite plausibly be lists of quiz questions about the country of France.

Thank you.

In contrast, an instruction tuned LLM, which is where a lot of momentum of LLM research and practice has been going,

An instruction team has been trained to follow instructions.

So if you were to ask it, what is the capital of France is much more likely to output something like the capital of France is Paris

So the way that instruction -tuned OOMs are typically trained is, you start off with a base OOM that's been trained on a huge amount of text data,

and further train it, further fine tune it with inputs and outputs that are instructions and good attempts to follow those instructions.

And then often further refine using a technique called RLHF, reinforcement learning from human feedback,

to make the system better able to be helpful and follow instructions.

Because instruction TNLMs have been trained to be helpful, honest, and harmless.

So for example, they're less likely to output problematic texts, such as toxic outputs compared to base LLM.

a lot of the practical usage scenarios have been shifting toward instruction to,

you know, Some of the best practices you find on the internet may be more suited for a base LLM, but for most practical applications today,

we would recommend most people instead focus on instruction tuned LLMs, which are easier to use.

And also because of the work of OpenAI and other LLM companies becoming safer and more aligned.

So this course will focus on best practices for instruction to neural arms

which is what we recommend you use for most of your applications.

Before moving on, I just want to acknowledge the team from OpenAI

and DeepLearn .AI that had contributed to the materials that Ysia and I will be presenting.

I'm very grateful to Andrew Main, Joe Palermo, Boris Power, Ted Sanders, and Lillian Wang from OpenAI.

They were very involved with us brainstorming materials, vetting the materials to put together.

the curriculum for this short course.

And I'm also grateful on the deep learning side for the work of Jeff Lodwick, Eddie Hsu and Tommy Nelson.

So when you use an instruction tuned LLM, think of giving instructions to another person.

Say someone that's smart but doesn't know the specifics of your task.

So when an LM doesn't work, sometimes it's because the instructions weren't clear enough.

For example, if you were to say, "Please write me something about Alan Turing." Well, In addition to that, it can be helpful to be clear about whether you want

the text to focus on his scientific work or his personal life or his role in history or something else.

And if you specify what you want the tone of the text to be, should it take on the tone like a professional journalist would write?

Or is it more of a casual note

that you dash off to a friend that holds the OM generate what you want.

And of course, if you picture yourself asking, say a fresh college graduate to carry out this task for you,

if you can even specify what you want snippets of texts

they should read in advance to write this text about Alan Turing, then that even better sets up that fresh college grad for success to carry out this task for you.

So in the next video, you see examples of how to be clear and specific, which is an important principle of prompting LOMs.

And you also learn from Ezer a second principle of prompting, that is giving LDLM time to think.

So with that, let's go on to the next video.

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Vocabulaire et conseils d’expression pour cette leçon

Cette vidéo contient 68 phrases et 1082 mots à répéter en shadowing. La partie parlée dure 6:22. Le locuteur parle à un rythme naturel d’environ 170 mots par minute, proche d’une conversation courante. Seuls 81 % des mots font partie des 3 000 mots les plus courants en anglais, le vocabulaire est donc exigeant.

Vocabulaire clé de cette vidéo

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

Mot	Prononciation	Sens
instruction nom	/ɪnˈstɹʌkʃən/	instruction
prompt verbe	/pɹɑmpt/	inciter
tune nom	/tjuːn/	mélodie, air
output nom	/ˈaʊtpʊt/	sortie
helpful adjectif	/ˈhɛlp.fl̩/	utile, serviable
developer nom	/dɪˈvɛləpɚ/	concepteur, développeur
thrill verbe	/θɹɪl/	exciter, émoustiller
tone nom	/ˈtəʊn/	ton
practical adjectif	/ˈpɹæk.tɪ.kəl/	pratique
grateful adjectif	/ˈɡɹeɪtf(ə)l/	reconnaissant
contribute verbe	/kənˈtɹɪb.jut/	contribuer
principle nom	/ˈpɹɪn.sɪ.pəl/	principe
predict verbe	/pɹɪˈdɪkt/	prédire
specify verbe	/ˈspɛs.əˌfaɪ/	spécifier
unicorn nom	/ˈju.nɪ.kɔɹn/	licorne

Les verbes à particule que vous entendrez

Mot	Prononciation	Sens
carry out verbe	/ˈkæ.ɹi aʊt/	sortir, transporter dehors
figure out verbe		cerner
put together verbe		assembler
set up verbe	/ˌsɛt ˈʌp/	mettre en place, installer

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 continu have/has been + -ing — une action commencée avant et toujours en cours	has been teaching · has been working · has been going
Present perfect have/has + participe passé — une action passée qui compte encore maintenant	there's been · has been · have been
Voix passive be + participe passé — l’accent est mis sur ce qui arrive, pas sur qui le fait	has been trained · are typically trained · have been trained
Propositions relatives who / which + proposition — une précision sur une personne ou une chose	Fund, which is · LLM, which is · LLMs, which are

Prononciation à surveiller

Le locuteur utilise 14 contractions et formes réduites, comme I'm, doesn't, we'll. Prononcez-les sous leur forme courte, telles que vous les entendez.

Les sons « sh » et « zh »: instruction /ɪnˈstɹʌkʃən/, contrast /kənˈt(ʃ)ɹæst/, casual /ˈkæʒ(u)əl/, imagination /ɪˌmæd͡ʒəˈneɪʃən/, dash /ˈdæʃ/
Mots longs — placez bien l’accent: developer /dɪˈvɛləpɚ/, imagination /ɪˌmæd͡ʒəˈneɪʃən/, curriculum /kəˈɹɪk.jə.ləm/, momentum /ˌmə(ʊ)ˈmɛntəm/, problematic /ˌpɹɑ.bləˈmæt.ɪk/

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 instruction, prompt, tune.

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: Prompt engineering - Introduction - Apprendre l'anglais à l'oral avec la vidéo

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