Python

Python Tuple Concatenation: A Simple Illustrated Guide

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Python tuples are similar to lists, but with a key difference: they are immutable, meaning their elements cannot be changed after creation. Tuple concatenation means joining multiple tuples into a single tuple. This process maintains the immutability of the tuples, providing a secure and efficient way to combine data. There are several methods for concatenating … Read more

Measure Execution Time with timeit() in Python

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Understanding Timeit in Python The timeit module is a tool in the Python standard library, designed to measure the execution time of small code snippets. It makes it simple for developers to analyze the performance of their code, allowing them to find areas for optimization. ⏱️ The timeit module averages out various factors that affect … Read more

Collections.Counter: How to Count List Elements (Python)

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Understanding Collections.Counter Python’s Collections Module The collections module in Python contains various high-performance container datatypes that extend the functionality of built-in types such as list, dict, and tuple. These datatypes offer more specialized tools to efficiently handle data in memory. One of the useful data structures from this module is Counter. Counter Class in Collections … Read more

Write a Long String on Multiple Lines in Python

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To create and manage multiline strings in Python, you can use triple quotes and backslashes, while more advanced options involve string literals, parentheses, the + operator, f-strings, the textwrap module, and join() method to handle long strings within collections like dictionaries and lists. Let’s get started with the simple techniques first: 👇 Basic Multiline Strings … Read more

5 Effective Methods to Sort a List of String Numbers Numerically in Python

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Problem Formulation Sorting a list of string numbers numerically in Python can lead to unexpected issues. For example, using the naive approach to sort the list lst = [“1”, “10”, “3”, “22”, “23”, “4”, “2”, “200”] using lst.sort() will result in the incorrect order as it sorts the list of strings lexicographically, not numerically. In … Read more

Sort a List, String, Tuple in Python (sort, sorted)

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Basics of Sorting in Python In Python, sorting data structures like lists, strings, and tuples can be achieved using built-in functions like sort() and sorted(). These functions enable you to arrange the data in ascending or descending order. This section will provide an overview of how to use these functions. The sorted() function is primarily … Read more

Python Return Nothing/Null/None/NaN From Function

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Understanding Python Return Values In Python programming, return values play a crucial role in the functionality of functions. This section explains different types of return values and how they are represented in Python. Types of Return Values None: In Python, None represents the absence of a value. It is often used as a default return … Read more

Creating Audio Files with Mido in Python

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Mido is a Python library that deals with MIDI, an acronym for Musical Instrument Digital Interface, a protocol that allows computers, musical instruments, and other hardware to communicate. 💡 With Mido, you can create, inspect, and manipulate MIDI files and messages, making it an excellent tool for generating audio files programmatically. Installation First things first, … Read more

Python Return NamedTuple From Function

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In Python, you can use the collections.namedtuple() function to create a tuple with named fields. Here is an example of a function that returns a named tuple: In this example, the get_person_info() function creates a Person named tuple with name, age, and height as named fields. The function then creates an instance of this named … Read more