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One of the most prevalent activities in modern software development is copying files programmatically. In today's quick tutorial, we'll look at a few different ways to transfer files in Python using the shutil module. Shutil is a Python Standard Library module that provides a wide range of high-level file operations. Now, when it comes to file copying, the library provides a variety of options based on whether you want to copy metadata or file permissions, as well as if the destination is a directory. It falls within the umbrella of Python's basic utility modules. This module aids in the automation ... Read More
Pandas is a Python library used for data manipulation and analysis. It is built on top of the numpy library and provides an efficient implementation of a dataframe. A dataframe is a two-dimensional data structure. In a dataframe, data is aligned in rows and columns in a tabular Form. It is similar to a spreadsheet or an SQL table or the data.frame in R. The most commonly used pandas object is DataFrame. Mostly, the data is imported into pandas dataframe from other data sources like csv, excel, SQL, etc. In this tutorial, we will learn to create an empty dataframe ... Read More
Python introduces new features with every latest version. Therefore, to check what version is currently being used we need a way to retrieve them. If a user implements features without the correct version, it can generate random issues. We can check the version using few different methods. These methods are discussed below. Using the Sys Module Using sys module, we can retrieve the current python module version. The following lines of code can be used to do so. import sys print(sys.version) Output The output obtained is as follows. 3.10.6 (main, Mar 10 2023, 10:55:28) [GCC 11.3.0] ... Read More
Those who wish to practice their Python skills and learn how to develop a small web app can quickly and amusingly create an age calculator web app using PyWebIO in Python. Interactive online apps are simple to construct thanks to the Python library PyWebIO. This project's online age calculator uses PyWebIO to determine a user's age based on their birthdate. To calculate dates for this web application, we'll use the datetime package that comes with Python by default. The software requires the user's name and birthdate, which then calculates their age in years using the current date. The output will ... Read More
We will learn about how to create Abstract Model Class in Django. An abstract model class in Django is a model that is used as a template for other models to inherit from rather than one that is meant to be created or saved to the database. In an application, similar fields and behaviours shared by several models can be defined using abstract models. With Django, you define a model class that derives from Django.db.models to establish an abstract model class. Model and set True for the abstract attribute. The attributes and methods of this abstract class will be inherited ... Read More
Ternary plots are a useful way to display compositional data where three variables add up to a constant value. Plotly is a powerful plotting library that can be used to create interactive ternary plots with ease. In this tutorial, we will explore how to create a Ternary Overlay using Plotty. We are going to illustrate two examples to create an overlay using Plotly. By the end, we will learn the use Plotly to create stunning and informative ternary overlays. To create a Ternary Overlay using Plotly, we use the ‘scatterternary’ trace type. This trace type creates a scatter plot on ... Read More
In this tutorial, we will learn to create a Triangle Correlation Heatmap in seaborn; as the name sounds, Correlation is a measure that shows the extent to which variables are related. Correlation heatmaps are a type of plot that represents the relationships between numerical variables. These plots are used to understand which variables are related to each other and the strength of their relationship. Whereas a heatmap is a two-dimensional graphical representation of data using different colors. Seaborn is a Python library that is used for data visualization. It is useful in making statical graphs. It builds on top of ... Read More
Python allows you to save definitions to a file and then use them in a script or interactive instance of the interpreter. A module is a file that contains definitions that can be imported into other modules or the main module. So, a Python module is nothing more than a package that contains reusable code. Modules are stored in a folder that contains a __init .py file. Modules can contain both functions and classes. The import keyword is used to import modules. A file containing Python commands and definitions is referred to as a module. These files named .py ... Read More
SASS and LESS are CSS preprocessor languages that help developers write CSS more quickly, reduce code duplication, and create modular stylesheets. Instead of writing repetitive code for each property, Sass and Less allow us to define variables for values like colors, font sizes, and other properties, which can be easily reused throughout our stylesheets. This makes updating styles across a project easier and maintains consistency throughout our design. However, Sass is considered better than Less for several reasons. Let’s understand the features and functionality of both of them. So that you can get more clearance about these preprocessor languages and ... Read More
For creating, reading, updating, and removing files, Python includes a number of functions. When reading or writing to a file, the access mode determines the kind of operations that can be performed on the file. Creating a file using Python To create new files or open existing files, we can use the open() function. This function accepts two parameters: a string value representing the name of the file you need to create and a character representing the access mode of the file that is to be created. Following is the syntax of this function. File = open("txt_file_name" ,"access_mode") ... Read More