How to Retrieve a Single Element from a Python Generator

This article will show you how to retrieve a single generator element in Python. Before moving forward, let’s review what a generator does. Quick Recap Generators 💡 Definition Generator: A generator is commonly used when processing vast amounts of data. This function uses minimal memory and produces results in less time than a standard function. … Read more

Python – List of Lists to List of Strings. How?

Coding Challenge 💬 Coding Challenge: Given a nested Python list, i.e., a list of lists. How to convert it to a string list, so that each inner list becomes a single string? Consider the following examples: 1. Input: [[‘h’, ‘e’, ‘l’, ‘l’, ‘o’], [‘w’, ‘o’, ‘r’, ‘l’, ‘d’]] Output: [‘hello’, ‘world’] 2. Input: [[‘h’, ‘i’], … Read more

How to Randomly Sample from a Python List?

In data science, you will need to learn how to generate random numbers, which in Python, we can do with the random module. In this tutorial, you’ll learn how to solve the following programming challenge: ⚔️ Challenge: How to do random sampling from a list in Python? Without further ado, let’s dive right into it! … Read more

How to Find a Partial String in a Python List?

Problem Formulation 💬 Challenge: Given a Python list of strings and a query string. Find the strings that partially match the query string. Example 1: Input: [‘hello’, ‘world’, ‘python’] and ‘pyth’ Output: [‘python’] Example 2: Input: [‘aaa’, ‘aa’, ‘a’] and ‘a’ Output: [‘aaa’, ‘aa’, ‘a’] Example 3: Input: [‘aaa’, ‘aa’, ‘a’] and ‘b’ Output: [] … Read more