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Category: Data Science Tutorials

Python Datetime: A Simple Guide with 39 Code Examples (2022)

You may already be familiar with various data types in Python like integers, floats, strings, etc. However, sometimes when you’re developing a script or a machine learning algorithm, you should use dates and times. In everyday life, we can represent dates and times in many different formats, for example, July 4, March 8, 2022, 22:00, […]

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Simple Python Math Module Guide (22 Examples and 18 Functions)

Using The math Module in Python math is a built-in module in the Python 3 standard library that provides standard mathematical constants and functions. You can use the math module to perform various mathematical calculations, such as numeric, trigonometric, logarithmic, and exponential calculations. This tutorial will explore the common constants and functions implemented in the […]

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Python Strings: An In-Depth Tutorial (55+ Code Examples)

Data types help us categorize data items. They determine the kinds of operations that we can perform on a data item. In Python, the common standard data types include numbers, string, list, tuple, boolean, set, and dictionary. In this tutorial, we’ll focus on the string data type. We will discuss how to declare the string […]

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Tutorial: How to Easily Read Files in Python (Text, CSV, JSON)

Reading Files with Python Files are everywhere: on computers, mobile devices, and across the cloud. Working with files is essential for every programmer, regardless of which programming language you’re using. File handling is a mechanism for creating a file, writing data, and reading data from it. The good news is that Python is enriched with […]

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Python Dictionaries: A Comprehensive Tutorial (with 52 Code Examples)

What Is a Dictionary in Python? A Python dictionary is a data structure that allows us to easily write very efficient code. In many other languages, this data structure is called a hash table because its keys are hashable. We’ll understand in a bit what this means. A Python dictionary is a collection of key:value […]

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How to Set Up Visual Studio Code in 2022 (The Easy Way)

Visual Studio Code is a powerful, extensible, and lightweight code editor that has become one of the preferred code editors in the Python community. In this tutorial, we’ll learn how to install Visual Studio Code and set it up for Python development, as well as how to become more productive with VS Code. Let’s dive […]

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Python Tuples: A Step-by-Step Tutorial (with 14 Code Examples)

When working with data collections, we occasionally encounter situations where we want to ensure it’s impossible to change the sequence of objects after creation. For instance, when reading data from a database in Python, we can represent each table record as an ordered and unchangeable sequence of objects since we don’t need to alter the […]

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DateTime in Pandas: A Simple Guide for Beginners (2022)

We are surrounded by data that comes in different types and forms. No doubt, one of the most interesting and essential data categories is time-series data. Time-series data is everywhere, and it has many applications across various industries. Patient health metrics, stock price changes, weather records, economic indicators, servers, networks, sensors, and applications performance monitoring […]

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Tutorial: Lambda Functions in Python

In this tutorial, we will define lambda functions in Python and explore the advantages and limitations of employing them. What is a Lambda Function in Python? A lambda function is an anonymous function (i.e., defined without a name) that can take any number of arguments but, unlike normal functions, evaluates and returns only one expression. […]

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Tutorial: Using If Statements in Python

Our life is full of conditions even if we don’t notice them most of the time. Let’s look at a few examples: If tomorrow it doesn’t rain, I’ll go out with my friends in the park. Otherwise, I’ll stay home with a cup of hot tea and watch TV. If tomorrow it isn’t too hot, […]

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