Top Tweets for #PythonTip
【locとilocの違い再確認｜🍙】
💡 お昼の学びタイム
locはラベル、ilocは整数位置。混同防止に、最初にラベル/indexの種類をチェックしましょう！
記事はこちら👇
https://t.co/CcSnCl9BDW
#Pandas #PythonTip #DataScience
【info()とdescribe()でデータ要約｜🍙】
💡 お昼の学びタイム
再掲：describe(include='all')で文字列含む全カラム要約。数値だけでなくカテゴリも確認しましょう！
記事はこちら👇
https://t.co/ywgqGnz2Vu
#Pandas #PythonTip #DataScience
🚨 #PythonTip: 99% of devs are still sprinkling print() like confetti 🎉, meanwhile Python ships with a built-in function breakpoint() that you can drop anywhere with no imports needed. Type c to continue, n to step, or poke around in the REPL.
【mergeでデータ結合(marge)｜🍙】
💡 お昼の学びタイム
mergeは SQL の JOIN 相当。on引数や how='inner'/'left' の違い、キーの重複に注意して使いましょう！
記事はこちら👇
https://t.co/JXRuEkpR0j
#Pandas #PythonTip #DataScience
【条件指定でデータ抽出(filtering)｜🍙】
💡 お昼の学びタイム
filteringは、Boolean 配列で DataFrame を絞り込む手法。複数条件の結合時は&や|の優先順位に注意しましょう！
記事はこちら👇
https://t.co/QcHxQoPlxr
#Pandas #PythonTip #DataScience
locでデータ抽出｜🍙】
💡 お昼の学びタイム
locは、行ラベルと列ラベルを指定して抽出するメソッド。スライス指定では両端が含まれる点に注意しましょう！
記事はこちら👇
https://t.co/ZojJOw5tmK
#Pandas #PythonTip #DataScience
🧠 #PythonTip
Want to access object attributes dynamically?
Use getattr()!
code :
name = getattr(obj, "name")
✅ Cleaner than obj.__dict__
Perfect for serializers, reflection, or dynamic access! 🔁
#Python #CodeNewbie #DevTips
Good morning, Pythonistas! 🐍
Today’s #PythonTip: Did you know you can use list comprehensions to make your code more readable and efficient?
💡 Example:
squares = [x**2 for x in range(4)]
print(squares)
Output:
[0, 1, 4, 9]
#CodeBetter #LearnPython #Python
#CodingLife
#PythonTip
Допустим, у вас есть строчка
y = f(x) + f(x)**2
Но вы не хотите считать f(x) дважды. Что делать? Заводить новую переменную?
fx = f(x)
y = fx + fx**2
Есть метод получше!
y = (lambda t: t + t**2)(f(x))
#PythonTip Assume you want to execute a line:
y = f(x) + f(x)**2
If you don't want to evaluate f(x) twice, you usually introduce a new variable to store f(x):
fx = f(x)
y = fx + fx**2
What if you don't want to introduce new variable? Use lambda!
y = (lambda t: t + t**2)(f(x))
🚀 #PythonTip: Understanding return vs. print!
🔄 return:
Used in functions to send a value back to the caller.
Ends function execution and returns a result.
🖨️ print:
Outputs messages to the console.
Useful for debugging and displaying info.
Know when to use each! 👨💻👩💻
#PythonTip 🐍🔥
Use `pathlib` to list all the files of a specific type in a folder.
Here's an example:
Python Tip of the Day: Empower Your Strings with F-Strings
F-strings, introduced in Python 3.6, provide a concise and readable way to embed expressions inside string. They are incredibly useful for string formatting,making your code cleaner and more expressive. #pythontip #python
🐍 #PythonTip: Use list comprehensions for concise and readable one-liners.
Example: `[x**2 for x in range(10) if x%2 == 0]` #CodeClean
You might deal with long strings that do not get printed nicely on screen.
Enter 𝚝𝚎𝚡𝚝𝚠𝚛𝚊𝚙
#PythonTip
BTW both of us (@karlafej & @simecek) are here at #EuroPython2023. If you run into us, feel free to say hello and what would you like to read as #pythontip. Greetings from Prague! 🇨🇿
Remember, in Python indexing starts at 0, not 1. So, the first element in a list or a string is at position 0.
#PythonTip #coding #pythonprogramming
#PythonTip: Are you familiar with slicing? It's a quick way to access subsets of lists, strings, and other sequences. For example, list[1:3] gives the 2nd and 3rd items.
#datascience #coding #Python #pythonprogramming #data
![PluriLabs's tweet photo. #PythonTip: Are you familiar with slicing? It's a quick way to access subsets of lists, strings, and other sequences. For example, list[1:3] gives the 2nd and 3rd items.
#datascience #coding #Python #pythonprogramming #data https://t.co/oYBDbeHo8g](https://pbs.twimg.com/media/FzpQ3s6acAANQag.jpg)
![PluriLabs's tweet photo. #PythonTip: Are you familiar with slicing? It's a quick way to access subsets of lists, strings, and other sequences. For example, list[1:3] gives the 2nd and 3rd items.
#datascience #coding #Python #pythonprogramming #data https://t.co/oYBDbeHo8g](https://pbs.twimg.com/media/FzpQxE_aEAAlV8Q.jpg)
#PythonTip: 'None' in Python is similar to 'null' in other languages. Useful to initialize variables or indicate that a function doesn't return a value.
#DataScience #DataAnalysis #pythonprogramming #coding
Python's 'dict' or dictionary is a powerful data structure. Use it when you want to associate values with keys.
#PythonTip #datascience #pythonprogramming
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