Pratica di Shadowing: Python in 100 Seconds - Impara a parlare inglese con i video
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Python, a high-level, interpreted programming language famous for its zen-like code.
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It's arguably the most popular language in the world because it's easy to learn, yet practical for serious projects.
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In fact, you're watching this YouTube video in a Python web application right now.
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It was created by Guido Van Rossum and released in 1991, who named it after Monty Python's Flying Circus,
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which is why you'll sometimes find spam and eggs instead of foo and bar in code samples.
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It's commonly used to build server-side applications, like web apps with the Django framework, and is the language of choice for big data analysis and machine learning.
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Many students choose Python to start learning to code because of its emphasis on readability as outlined by the zen of Python.
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Beautiful is better than ugly, while explicit is better than implicit.
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Python is very simple, but avoids the temptation to sprinkle in magic that causes ambiguity.
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Its code is often organized into notebooks where individual cells can be executed, then documented in the same place.
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We're currently at version 3 of the language, and you can get started by creating a file that ends in .py, or .ipymb to create an interactive notebook.
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Create a variable by setting a name equal to a value.
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It's strongly typed, which means values won't change in unexpected ways, but dynamic, so type annotations are not required.
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The syntax is highly efficient, allowing you to declare multiple variables on a single line, and define tuples, lists, and dictionaries with a literal syntax.
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Semicolons are not required, and if you use them, an experienced Pythonista will say that your code is not Pythonic.
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Instead of semicolons, Python uses indentation to terminate or determine the scope of a line of code.
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Define a function with the def keyword, then indent the next line, usually by four spaces, to define the function body.
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We might then add a for loop to it and indent that by another four spaces.
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This eliminates the need for curly braces and semicolons found in many other languages.
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Python is a multi-paradigm language.
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We can apply functional programming patterns with things like anonymous functions using lambda.
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It also uses objects as an abstraction for data, allowing you to implement object-oriented patterns with things like classes and inheritance.
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It also has a huge ecosystem of third-party libraries, such as deep learning frameworks like TensorFlow, and wrappers for many high-performance low-level packages like Open Computer Vision,
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which are most often installed with the pip package manager.
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This has been the Python programming language in 100 seconds.
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Hit the like button if you want to see more short videos like this, thanks for watching, and I will see you in the next one.
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Vocabolario e note di pronuncia per questa lezione
Questa lezione di conversazione di livello C1 si basa sul video “Python in 100 Seconds”. Le parole che ritornano più spesso: Python, language, code, semicolons, define. Questo video contiene 26 frasi e 462 parole da ripetere con lo shadowing. Il parlato dura 2:22. Chi parla va veloce, circa 195 parole al minuto: aspettati suoni legati e ridotti. Solo il 75% delle parole rientra nelle 3.000 più comuni dell’inglese, quindi il lessico è impegnativo.
Vocaboli chiave di questo video
Le 15 parole più avanzate del video, con pronuncia e significato:
| Parola | Pronuncia | Significato |
|---|---|---|
| semicolon sostantivo | /ˈsɛmikoʊlən/ | punto e virgola |
| syntax sostantivo | /ˈsɪn.tæks/ | sintassi |
| notebook sostantivo | /ˈnoʊtˌbʊk/ | blocco, taccuino |
| abstraction sostantivo | /æbˈstɹæk.ʃn̩/ | astrazione |
| ambiguity sostantivo | /æm.bɪˈɡjuː.ɪ.ti/ | ambiguità, dubbio |
| implicit aggettivo | /ɪmˈplɪsɪt/ | implicito |
| indentation sostantivo | /ˌɪndɛnˈteɪʃən/ | indentazione, recesso |
| keyword sostantivo | /ˈkiː.wɜːd/ | parola chiave |
| lambda sostantivo | /ˈlæm.də/ | lambda |
| orient verbo | /ˈɔɹ.iˌɛnt/ | orientare |
| sprinkle verbo | /ˈspɹɪŋkəl/ | spargere, spruzzare |
| curly aggettivo | /ˈkɝli/ | arricciato |
| paradigm sostantivo | /ˈpæɹ.ə.daɪm/ | paradigma |
| terminate verbo | /ˈtɝmɪneɪ̯t/ | cessare, terminare |
| temptation sostantivo | /ˌtɛmpˈteɪʃən/ | tentazione |
Pronuncia a cui fare attenzione
Chi parla usa 4 contrazioni e forme ridotte, come we're, won't, you'll. Pronunciale nella forma breve, così come le senti.
- I suoni “sh” e “zh”: abstraction /æbˈstɹæk.ʃn̩/, annotation /ˌæn.əˈteɪ.ʃən/, indentation /ˌɪndɛnˈteɪʃən/, temptation /ˌtɛmpˈteɪʃən/, dictionary /ˈdɪk.ʃəˌnɛ.ɹi/
- Parole lunghe — attenzione all’accento: semicolon /ˈsɛmikoʊlən/, ambiguity /æm.bɪˈɡjuː.ɪ.ti/, annotation /ˌæn.əˈteɪ.ʃən/, indentation /ˌɪndɛnˈteɪʃən/, readability /ˌɹiːdəˈbɪlɪti/
Come esercitarsi con questo video
- Ascolta tutto il video una volta senza parlare e annota le parole che non conosci.
- Inizia a velocità 0,75×, fai shadowing frase per frase e torna alla velocità normale quando diventa facile.
- Registrati e confronta con l’originale, facendo attenzione a parole come semicolon, syntax, notebook.
Cos'è la tecnica dello Shadowing?
Shadowing è una tecnica di apprendimento delle lingue supportata da studi scientifici, originariamente sviluppata per la formazione dei traduttori professionisti e resa popolare dal poliglotta Dr. Alexander Arguelles. Il metodo è semplice ma potente: ascolti un audio in inglese di madrelingua e lo ripeti immediatamente ad alta voce — come un'ombra che segue il parlante con un ritardo di solo 1–2 secondi. A differenza dell'ascolto passivo o degli esercizi di grammatica, lo shadowing costringe il tuo cervello e i muscoli della bocca a elaborare e riprodurre simultaneamente i modelli di discorso reale. La ricerca dimostra che migliora significativamente la precisione della pronuncia, l'intonazione, il ritmo, il discorso connesso, la comprensione dell'ascolto e la fluidità del parlato — rendendolo uno dei metodi più efficaci per la preparazione alla prova di speaking dell'IELTS e per la comunicazione reale in inglese.