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Everything you need to know about Python  programming.  Admin:  @haraisen  Feedback:  @pythontg_feedbackbot  
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Since the beginning of the war, more than 2000 civilians have been killed by Russian missiles, according to official data. Help us protect Ukrainians from missiles - provide max military assisstance to Ukraine #Ukraine. #StandWithUkraine
Digital transformation started a shift to remote work and so did the conferences. All major events in IT conferencing world now have online block or are fully online.Stay tuned and never miss a major event in IT conferencing world with . Upcoming online and offline conferences announcements, various themes, ticket pricing and more!
517
0

What's the output of the code given above?

1 2 3 4
2 3 4
None 2 3 4
None 2 3
2 4 3
None 1 2 3 4
417
Anonymous voting
2 488
1
#quiz
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Working With Zip Files in Python 📕 The ZIP file format is a common archive and compression standard. The in-built zipfile module provides tools to create, read, write, append, and list a ZIP file. The most common class which is used to work with Zip Files is ZipFile class. It is used to write and read the Zip files and also has some methods which are used to handle the them.
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Have a business idea? Welcome to Idea Factory startups club! Every day we work with the best ideas from our subscribers to raffle: ✔️ $500 for the best weekly idea ✔️ $1,500 for the best monthly idea ✔️ $5,000 for the best quarterly idea ✔️ $15,000 for the best yearly idea In order to participate you only have to submit an application. What you can also get on : ✔️ education ✔️ trends examination ✔️startup news ✔️ experts’ consultations ✔️ live participants’ performance Take a first step: subscribe 👉 !
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👋 Welcome to 👋 In this Channel, You will get Udemy Free Courses, Free Coursera Courses, & FreeOnline Courses. 𝙁𝙤𝙧 𝙛𝙧𝙚𝙚 𝙘𝙤𝙪𝙧𝙨𝙚𝙨,𝙥𝙧𝙤𝙟𝙚𝙘𝙩𝙨,𝙞𝙣𝙩𝙚𝙧𝙣𝙨𝙝𝙞𝙥𝙨,𝙥𝙡𝙖𝙘𝙚𝙢𝙚𝙣𝙩𝙨 𝙖𝙣𝙙 𝙟𝙤𝙗𝙨 𝙧𝙚𝙡𝙖𝙩𝙚𝙙 𝙢𝙖𝙩𝙚𝙧𝙞𝙖𝙡 𝙖𝙣𝙙 𝙪𝙥𝙙𝙖𝙩𝙚𝙨 𝙟𝙤𝙞𝙣 𝙤𝙪𝙧 𝙩𝙚𝙡𝙚𝙜𝙧𝙖𝙢 𝙘𝙝𝙖𝙣𝙣𝙚𝙡: So what are you waiting for? Join right now👍
GROUP FOR PROGRAMMERS🖥
Here we will provide premium online courses for free, projects, trainings,internships,placement and jobs related material and updates. @realgroupforprogrammers Join discussion group: @datastructuresandalgo
761
1

What is the output of the code given above?

[1, 2, 3, 12]
[12, 1, 2, 3]
[4, 1, 2, 3]
[1, 2, 3, 4]
Error
608
Anonymous voting
2 868
5
#quiz
3 489
5
🔥 Daily tips, news, challenges, and quizzes from the experienced guy at
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10 Ways to Speed Up Your Python Code ⚡️ 1. List Comprehensions
numbers = [x**2 for x in range(100000) if x % 2 == 0]
instead of
numbers
= []
for x in range(100000):
    if x % 2 == 0: 
        numbers.append(x**2)

2. Use the Built-In Functions Many of Python’s built-in functions are written in C, which makes them much faster than a pure python solution. 3. Function Calls Are Expensive Function calls are expensive in Python. While it is often good practice to separate code into functions, there are times where you should be cautious about calling functions from inside of a loop. It is better to iterate inside a function than to iterate and call a function each iteration. 4. Lazy Module Importing If you want to use the
time.sleep()
function in your code, you don't necessarily need to import the entire
time
package. Instead, you can just do
from time import sleep
and avoid the overhead of loading basically everything. 5. Take Advantage of Numpy Numpy is a highly optimized library built with C. It is almost always faster to offload complex math to Numpy rather than relying on the Python interpreter. 6. Try Multiprocessing Multiprocessing can bring large performance increases to a Python script, but it can be difficult to implement properly compared to other methods mentioned in this post. 7. Be Careful with Bulky Libraries One of the advantages Python has over other programming languages is the rich selection of third-party libraries available to developers. But, what we may not always consider is the size of the library we are using as a dependency, which could actually decrease the performance of your Python code. 8. Avoid Global Variables Python is slightly faster at retrieving local variables than global ones. It is simply best to avoid global variables when possible. 9. Try Multiple Solutions Being able to solve a problem in multiple ways is nice. But, there is often a solution that is faster than the rest and sometimes it comes down to just using a different method or data structure. 10. Think About Your Data Structures Searching a dictionary or set is insanely fast, but lists take time proportional to the length of the list. However, sets and dictionaries do not maintain order. If you care about the order of your data, you can’t make use of dictionaries or sets.
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10 Ways to Speed Up Your Python Code
Python is flexible, but it can be slow. Let’s speed it up.
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If you don't follow the technology, you will miss the moment when smartphones are replaced with something new. To prevent this from happening — subscribe to . — channel about technologies that have already become a part of reality. The latest achievements of Apple, Microsoft, Xiaomi and other tech giants. The future is right here:
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#quiz
2 373
6

What's the output of the code given above?

['mango', 'kiwifruit', 'banana']
['mango', [], 'kiwifruit', 'banana']
['mango', [], 'banana']
['mango', 'carrot', 'kiwifruit', 'banana']
[]
Error
369
Anonymous voting
1 859
2
💻 - tips, news, books, quizzes, and lots of notes from the experienced guy with 10+ years in IT field. Grow with the community! 🌱
936
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Create Beautiful Diagrams with Python 📊 🔸Diagrams is a Python library which lets you draw the cloud system architecture in Python code. It was born for prototyping a new system architecture design without any design tools. You can also describe or visualize the existing system architecture as well. As you can see from the example above, it's extremely simple to create your own customized diagram. See more examples . ⚙️Installation
pip install diagrams

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1 956
14

What is the output of the code given above?

{3, 4, 5, 6}
{}
{1, 2}
{1, 2, 3, 4, 5, 6}
{1, 2, 3, 4}
{3, 4, 5, 6}
Error
433
Anonymous voting
2 283
0
#quiz
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2
Complex Numbers in Python 🐍 Most general-purpose programming languages have either no support or limited support for complex numbers. Python is a rare exception because it comes with complex numbers built in. The quickest way to define a complex number in Python is by typing its literal directly in the source code:
>>> z1 = 1 + 2j

You can also use a built-in Python function,
complex()
. It accepts two numeric parameters. The first one represents the real part, while the second one represents the imaginary part denoted with the letter j in the literal you saw in the example above:
>>> z2 = complex(1, 2)
>>> z1 == z2
True

To get the real and imaginary parts of a complex number in Python, you can reach for the corresponding
.real
and
.imag
attributes:
>>> z2.imag
2.0
Note that both properties are read-only because complex numbers are immutable, so trying to assign a new value to either of them will fail.
Show more ...
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Speech Recognition with Python 🗣 🔸Have you ever wondered how to add speech recognition to your Python project? It’s easier than you might think. SpeechRecognition is a Python library for performing speech recognition, with support for several engines and APIs, online and offline. Speech recognition engine/API support: ▪️CMU Sphinx (works offline) ▪️Google Speech Recognition ▪️Google Cloud Speech API ▪️Microsoft Bing Voice Recognition ▪️Houndify API ▪️IBM Speech to Text ▪️Snowboy Hotword Detection (works offline) ⚙️Installation
pip install SpeechRecognition

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#quiz
2 155
0

What is the output of the code given above?

[1, 2, 3, [4, 5, 6]]
[1, 2, 3, 4, 5, 6]
[1, 2, 3]
None
Error
454
Anonymous voting
2 126
1
Assert Statements in Python ♦️Python’s
assert
statement is a debugging aid that tests a condition. If the condition is true, it does nothing and your program just continues to execute. But if the assert condition evaluates to false, it raises an
AssertionError
exception with an optional error message. ♦️The goal of using assertions is to let developers find the likely root cause of a bug more quickly. An assertion error should never be raised unless there’s a bug in your program. They’re not intended to signal expected error conditions, like “file not found”, where a user can take corrective action or just try again.
Show more ...
2 064
4

What us the output of the code given above?

1 1 1
0 0 0
None None None
1 3 None
1 3 1
0 3 0
Error
356
Anonymous voting
2 272
2
#quiz
2 195
1
New Python programmable calculators 💻 ♦️Dallas-based Texas Instruments’ latest generation of calculators is getting a modern-day update with the addition of programming language Python. The goal is to expand students’ ability to explore science, technology, engineering and math through the device that’s all-but-required in the nation’s high schools and colleges. ♦️Along with the addition of Python, the new model of calculator will also have familiar features like durability, a long-lasting battery and full-color screen. The device is also approved to use on college entrance exams as well as Advanced Placement and International Baccalaureate tests.
Show more ...
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How to print 😁😛😋🤣 emojis using python🐍 🔸Emojis are everywhere. Being a programmer, have you ever thought to write a code that could output text with some emojis? Now you can do this with a Python module called Emoji! Simply use the
emojize()
function to convert the CLDR short name to the corresponding emoji:
>>> emojize("Python is :thumbs_up:")
Python is 👍

⚙️Installation
pip install emoji

2 351
18

What is the output of the code given above?

1 3 5 7
0 2 4 6
0 1 2 3 4 5 6
0 1 2 3 4 5 6 7
1 3 5
Error
379
Anonymous voting
2 149
2
#quiz
2 238
1
Finally, a truly good channel about technologies and innovations that provide humanity with the opportunity not only to survive but to create a happier society and a stable ecosystem Check out and join
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Python Zero to Hero 2021 🚀 In this complete Python course you will learn everything you need to get started with Python in 2021. You will learn the basic building blocks of programming: ▪️Data types like strings, numbers, lists, sets, dictionaries boolean data types etc. ▪️Variables and functions ▪️Input validation with conditionals ▪️Error handling with try-except ▪️Loops: while and for As a next step, you will learn how to modularize your program: ▪️Write your own modules ▪️How to use built-in Python modules With all this knowledge, you can then your next demo project to write a write a small program using datetime module. This is a really cool 5h course on Python programming and there's much more than I wrote about. So if you're a beginner in Python this a perfect course to start your learning journey.
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Last updated: 26.05.22
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