Learn Python Coding
Learn Python through simple, practical examples and real coding ideas. Clear explanations, useful snippets, and hands-on learning for anyone starting or improving their programming skills. Admin: @HusseinSheikho || @Hussein_Sheikho
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频道 Learn Python Coding (@pythonre) 英语 语言赛道中的 是活跃参与者。目前社区聚集了 40 657 名订阅者,在 技术与应用 类别中位列第 3 225,并在 印度 地区排名第 9 421 位。
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自 невідомо 创建以来,项目保持高速增长,吸引了 40 657 名订阅者。
根据 05 十月, 2026 的最新数据,频道保持稳定运转。过去 30 天订阅人数变化为 458,过去 24 小时变化为 8,整体触达仍然可观。
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“Learn Python through simple, practical examples and real coding ideas. Clear explanations, useful snippets, and hands-on learning for anyone starting or improving their programming skills.
Admin: @HusseinSheikho || @Hussein_Sheikho”
凭借高频更新(最新数据采集于 06 十月, 2026),频道始终保持新鲜度与高覆盖。分析显示受众积极互动,使其成为 技术与应用 类别中的关键影响点。
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#Python #DataScience #Automation #FreeCourse #Udemy #OnlineLearningheapq.merge() combines such sources into a single, ordered iterator.
In this guide:
• We will combine multiple sorted sequences;
• We will explore lazy processing of large data sources;
• We will configure comparison using the key argument;
• We will combine data sorted in reverse order.
This is especially useful when working with logs, files, and query results, where each source already provides data in the correct order.
#Python #heapq #DataProcessing #CodingTips #Programming #Algorithms
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import warnings
def old_api():
warnings.warn(
"Use new_api()",
DeprecationWarning
)
In Python 3.13, a deprecated()decorator has been introduced:
from warnings import deprecated
@deprecated("Use new_api()")
def old_api():
return "old"
Now, the information about deprecation is part of the API itself. It can be recognized not only during runtime, but also by editors and static analysis tools.
This also works for classes:
@deprecated("Use NewClient")
class OldClient:
pass
This is convenient for libraries, SDKs, and large projects where the API is gradually changing.
#Python #Python313 #Deprecated #Coding #Programming #SoftwareDevelopment
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price: float,
quantity: int,
discount_rate: float,
tax_rate: float
) -> float:
# Calculate the subtotal
subtotal = price * quantity
# Apply the discount
discounted_amount = subtotal * (1 - discount_rate)
# Calculate the tax
final_total = discounted_amount * (1 + tax_rate)
return final_total
The problem here is that the calculation of the subtotal, discount, and tax are all combined into one function. Any change to one of these steps can affect the entire calculation.
It's better to break down the logic into smaller, more specialized functions:
def calculate_subtotal(price: float, quantity: int) -> float:
return price * quantity
def apply_discount(subtotal: float, discount: float) -> float:
return subtotal * (1 - discount)
def calculate_tax(amount: float, tax_rate: float) -> float:
return amount * (1 + tax_rate)
This is much better. ✅
Smaller functions with a single task are easier to test with unit tests because they have fewer dependencies and require less mocking.
Furthermore, isolated components are easier to reuse in different parts of the application or pipeline without bringing in unnecessary dependencies.
Therefore, keep your functions simple and focused.
One function – one responsibility. 📝
#Python #Coding #SoftwareDevelopment #CleanCode #Programming #BestPractices
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It was introduced in Python 3.8 and allows you to assign a value to a variable and use it directly within the expression at the same time.
For example:
while (line := input("Say something: ")) != "quit":
print(f"You said: {line}")
Without it, you would have to retrieve the value separately using input(), and then check it.
Have you ever used the := operator in your code?
#Python #Programming #WalrusOperator #Coding #TechFacts #Python3
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