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Home / IT & Computer Science / Coding & Programming / Scratch to Python: Moving from Block- to Text-based Programming / How to generate a unique username using Python
In this article, you're going to make a username generator that will combine random words and numbers together to make unique usernames.
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Picking unique usernames for websites and other software is never easy, so why not automate the process with a random username generator?
Translating Scratch code into Python code helps learners avoid having to think about the logic of their program, and instead has them focus on the syntax of Python, so it’s a great way of introducing them to the language.
In this exercise, you’re going to make a username generator that will combine random words and numbers together to make unique usernames.
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You can look at my completed code for the username generator in Scratch, along with some of the data structures that are used.
Want to keep learning? This content is taken from Raspberry Pi Foundation online course, Scratch to Python: Moving from Block- to Text-based Programming View Course
Your task is to turn this into a Python program. Remember, you can look back at earlier steps in the course to remind you of the correct syntax or construct to use.
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The first thing you will need to do is to create a couple of lists containing adjectives and nouns. Here is a list of a ten adjectives in Scratch:
You are now going to create two variables with values chosen at random from each of the lists. In Scratch 3, there is no random block that allows you to randomly choose an item from a list. Instead, you have to use the combination of blocks below to do this:
It is necessary to change the numbers that are picked randomly to strings. This is because Python can only join a string to another string, and not to a number. We’ll cover this in more detail later.
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Do not worry if you get errors, this is to be expected. It is normally a syntax issue, for example, missing a
Read any error message that appears and see if you can work out which line the error is on. You may need to check through your code line by line.
Want to keep learning? This content is taken from Raspberry Pi Foundation online course Scratch to Python: Moving from Block- to Text-based Programming View Course
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Join over 18 million learners to launch, switch or build upon your career, all at your own pace, across a wide range of topic areas.We believe that the creation and using of QR codes in all spheres of human life has become an integral part. For both business owners and ordinary users, QR codes open up new opportunities and are available.
• a big plus is that you can create the code in any convenient format, such as PNG or JPG or convert PDF to QR code.
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With the help of our QR code generator PDF you can easily and efficiently create a QR code and then use it to quickly exchange information.
This type of QR code is a useful solution, but if you want to learn more about how to turn a PDF into a QR code and find out our tips, read further in the article.
Convert PDF to QR code is a way to transform a PDF document to a more convenient digital format. Scanning is as comfortable as generating code. You just need to bring your mobile device to the QR code and a PDF file will appear on the screen.
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You can generate free QR code for PDF with any info, for example, some additional information, contacts, company descriptions, instructions, service lists etc. That is, any document with information that somehow relates to your activity.
Earlier we talked superficially about where you can use QR code PDF. The list is really wide: from education to product promotion. But now we will give several specific examples and cases.
A quick method to divide information. For example, to share a file, you no longer need to send it by mail or upload it to a messenger. Send the QR to PDF and it's done!
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QR codes are frequently placed on product packaging. Therefore, you can encrypt a file with instructions, usage information, reviews or recommendations in the code.
QR code can be useful in education. For instance, QR code for a PDF file will replace printed documents. The teacher just needs to create the code with the necessary data, and the students, in turn, just scan it. This will save money, time and improve the efficiency of work.
You can also generate a PDF file code for a cafe or restaurant menu. When you change some items in the menu or price, you will just need to update the file in the QR code, and not reprint the entire menu.
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• Then upload the required PDF file. We’d like to draw your attention to the fact that the file must be no more than 30 MB in size.
We want to share with you a few things that will be of interest to you if you generate QR code for PDF.Word art may also refer to a text modifying tool, used to transform single words or phrases into a word art picture, like this:
Word clouds or tag clouds are visualizations of the most frequently used words within any given text: reports, speeches, social media posts, emails, product reviews, customer surveys, and more. The more a word or phrase appears within a text, the larger it will appear in your word art.
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Create your word art using some of the online word art generators below, or skip ahead to the tutorial to learn how to gather valuable insights from your word art.
It’s fun and simple to create word art. Try one of these top word art generators, free to use and easy to get started with:
Create unique word art with WordCloud Generator. It’s free, and AI-powered for fast, easy, and comprehensive word art construction with dozens of custom settings.
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, ’ and you’re ready to go. Change layout, fonts, themes, and colors for a truly striking word cloud that you can download, print, or use in a presentation.
Unlike many other word art tools, ’s AI allows its cloud generator to go beyond single words and recognize word pairs or connected phrases, like “machine learning, ” “hundreds of hours, ” and “better management decision, ” as seen in the cloud above.
’s word cloud creator is not only fun and easy to use, but offers real insights into all manner of unstructured text: documents, social media, emails, web pages, and more.
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WordArt.com is one of the most popular online sites for creating word clouds and allows you to print your word art pictures onto posters, mugs, T-shirts, etc.
WordArt.com enables you to create word art in the shape of numbers, animals, festive decorations, and other funky figures. You can paste text, upload a file, or enter a URL to input the words you’d like to use.
It can be a little wonky to navigate through the interface, but WordArt.com offers more options than the average word cloud tool, and you can print your word art right from the page (although you have to pay for hi-def downloads).
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Wordclouds.com allows you to paste text or upload a document. One of their most significant advantages is that you can even upload a PDF. Their _‘Wizard’_ button is helpful to make cloud art with ease, as it walks you through the process from start to finish.
Use it to create colorful word art on your computer, tablet, even your smartphone. They offer basic clipart-style shapes, and you can alter the gap size between words to get your cloud looking just like you want.
Tagxedo provides some of the most impressive text integrations – you can look up Twitter handles, RSS feeds, news articles, or search the web for the subject of your choice. It does, however, require Silverlight to run, so you can’t use it with Google Chrome, and it’s still a bit sluggish and rickety in other browsers.
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ABCya! creates simple word clouds and offers dozens of fun learning games for kids. Plus, it’s really easy to navigate your way through ABCya! Simply type or paste text, then hit "Create".
You can randomize the cloud and watch your word art morph into a whole new shape. Kids love it because it’s colorful and gets their creativity flowing. It’s an excellent tool for teaching kids about the relationships of essential words to the text as a whole.
Ready to make your own word art? With ’s word cloud generator, you can select from nearly endless options to maneuver and manipulate your word art to your liking. It’s super easy to use, and you can gain real insights from your text data. Follow along below to make your
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