Machine Learning with Python
Learn Machine Learning with hands-on Python tutorials, real-world code examples, and clear explanations for researchers and developers. Admin: @HusseinSheikho || @Hussein_Sheikho
Show more📈 Analytical overview of Telegram channel Machine Learning with Python
Channel Machine Learning with Python (@codeprogrammer) in the English language segment is an active participant. Currently, the community unites 67 819 subscribers, ranking 2 404 in the Education category and 5 049 in the India region.
📊 Audience metrics and dynamics
Since its creation on невідомо, the project has demonstrated rapid growth, gathering an audience of 67 819 subscribers.
According to the latest data from 05 June, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by 77 over the last 30 days and by 9 over the last 24 hours, overall reach remains high.
- Verification status: Not verified
- Engagement rate (ER): The average audience engagement rate is 2.60%. Within the first 24 hours after publication, content typically collects 2.50% reactions from the total number of subscribers.
- Post reach: On average, each post receives 1 767 views. Within the first day, a publication typically gains 1 695 views.
- Reactions and interaction: The audience actively supports content: the average number of reactions per post is 6.
- Thematic interests: Content is focused on key topics such as insidead, learning, degree, evaluation, algorithm.
📝 Description and content policy
The author describes the resource as a platform for expressing subjective opinions:
“Learn Machine Learning with hands-on Python tutorials, real-world code examples, and clear explanations for researchers and developers.
Admin: @HusseinSheikho || @Hussein_Sheikho”
Thanks to the high frequency of updates (latest data received on 06 June, 2026), the channel maintains relevance and a high level of publication reach. Analytics show that the audience actively interacts with content, making it an important point of influence in the Education category.
from pydantic import BaseModel
class User(BaseModel):
name: str
age: int
This example uses Pydantic to define a simple data model with validation rules. Cerberus, on the other hand, uses a dictionary-based approach to define validation rules.
from cerberus import Validator
schema = {
'name': {'type': 'string'},
'age': {'type': 'integer'}
}
v = Validator(schema)
Marshmallow is particularly useful for serializing and deserializing data, making it a good choice for working with APIs.
from marshmallow import Schema, fields
class UserSchema(Schema):
name = fields.Str()
age = fields.Int()
Pandera is designed specifically for validating pandas DataFrames, making it a good choice for data science and machine learning workflows.
import pandera as pa
schema = pa.DataFrameSchema({
'name': pa.Column(pa.String),
'age': pa.Column(pa.Int)
})
Great Expectations takes a more holistic approach to data validation, focusing on the expectations and constraints of the data rather than just the schema.
from great_expectations import DataContext
context = DataContext()
These libraries can be used in a variety of contexts, from simple data validation to complex data pipelines.
📌 Conclusion
In conclusion, the five Python data validation libraries discussed in this article can help ensure the accuracy and consistency of your data. By choosing the right library for your use case, you can simplify your data validation workflow and improve the reliability of your models. Whether you are working with APIs, DataFrames, or complex data pipelines, there is a library on this list that can help. #DataValidation #Python #DataScience #MachineLearning #DataQuality #DataIntegrity
🔗 Read more:
https://www.kdnuggets.com/5-python-data-validation-libraries-you-should-be-usingreversed() in Python - what supports it and what doesn't
The function reversed() is built-in in Python, but it doesn't work with all data types
✓ Lists - it works
reversed([1, 2, 3]) returns an iterator
list(reversed([1, 2, 3])) → [3, 2, 1]
✓ Tuples - it also works
reversed((1, 2, 3)) can be easily iterated
✗ Sets - not supported
reversed({1, 2, 3}) → TypeError
Why? Sets don't have a fixed order, so they can't be "reversed"
If you need to reverse a set:
list(reversed(list({1, 2, 3})))https://anthropic.skilljar.com/claude-with-the-anthropic-api▶️ Introduction to Model Context Protocol (MCP)
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https://anthropic.skilljar.com/claude-with-google-vertex▶️ Advanced MCP
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if obj == None, use if obj is None
In Python, when you write:
obj == None
you're not directly checking if obj is the value None. Instead, you're asking if the object is equal to None.
Yes, in many cases, the result will be the same as for the code:
obj is None
But the behavior of these two variants is different, and this difference is important.
When you use:
obj == None
Python calls the __eq__ method on the object. That is, the object itself decides what it means to be "equal to None". And this method can be overridden.
If obj is an instance of a class in which __eq__ is implemented so that when compared with None, it returns True (even if the object is not actually None), then obj == None may mistakenly give True.
Example:
class Weird:
def __eq__(self, other):
return True # Always asserts that it's equal
obj = Weird()
print(obj == None) # True
print(obj is None) # False
Here, it can be seen that obj == None returns True due to the custom behaeqf the __eq__ operator in the class.
Therefore, when using obj == None, the result is not always predictable.
On the other hand, when you write:
obj is None
you're using the is operator, which cannot be overridden. This means that the result will always be the same and predictable.
The is operator checks the identity of objects, that is, whether two references point to the same object. Since None is a singleton (the only instance), obj is None is the correct and most efficient way to perform such a check.
❤️ Therefore, it is always recommended, and this is best practice, to use obj is None instead of obj == None for predictability and efficiency.
👉 https://t.me/DataScienceQ
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