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When working with text data processing, it is common to encounter strings where potential words are merged together without spaces. This issue can arise from OCR errors, missing delimiters during data extraction, or other data-related problems. In this article, we will explore how to add spaces between potential words using Python and spaCy. Basic Approach with spaCy We will use spaCy, a popular Python library for natural language processing, which provides tokenization, named entity recognition, and part-of-speech tagging capabilities ? Installation First, install the spaCy library and download the English language model ? pip ... Read More
When working with strings that contain a combination of numbers and alphabets, it can be beneficial to insert a space between the numbers and alphabets. Adding this space can improve the readability and formatting of the string, making it easier to interpret and work with. Python provides powerful tools for string manipulation through the re module, which is built-in for working with regular expressions. Regular expressions allow us to match and manipulate strings based on specific patterns, making them ideal for solving this task. Note: The re module is part of Python's standard library, so no installation is ... Read More
Our task is to add list items to a tuple list (i.e, a list of tuples) in Python. Tuples store sequences of data enclosed in parentheses, as shown below: Tuples = (11, 22, 33) And the list of tuples is represented as follows: List of tuples = [(11, 22, 33), (44, 55, 66), (77, 88, 99)] Scenario Suppose we have a list of tuples, "a", and another list of items, "b". We have to add all items of the "b" to each item of the "a" as follows ? ... Read More
Matrices are fundamental data structures in linear algebra and are extensively used in various scientific and mathematical computations. A matrix is a rectangular array of numbers arranged in rows and columns. However, there are scenarios where we may need to manipulate matrices with additional dimensions, either for data transformation or to perform advanced mathematical operations. Python's NumPy library provides efficient and convenient tools for working with arrays, including matrices, along with a wide range of mathematical functions. We'll explore how to add custom dimensions to matrices using NumPy's powerful array manipulation capabilities. Installing NumPy Before we proceed, ... Read More
In this article, we will learn how to add a custom column to a list of tuples in Python. Tuples store sequences of data enclosed in parentheses, and when combined into lists, they can represent tabular data structures. Understanding Tuple Lists A single tuple looks like this: (11, 22, 33) A list of tuples represents tabular data: [(11, 22, 33), (44, 55, 66), (77, 88, 99)] Each tuple represents a row, and each position within the tuple represents a column. For example, a student database might look like: ... Read More
In this article, we will understand how to add a prefix to each key name in a Python dictionary. Dictionaries in Python are collections of unordered items stored in the form of key-value pairs inside curly braces ? Dictionary = {key: value, ...} Our goal is to add a prefix (i.e., a word or character added at the beginning of another word) to each key name of the dictionary in Python. Suppose a key in a dictionary is name, on adding the prefix company_ to it, the key becomes company_name. For example ? ... Read More
Working with datasets involves identifying the smallest value in a specific column and updating it by adding a constant value (K). This operation is commonly needed in data preprocessing and statistical analysis tasks. In this tutorial, we'll learn how to find the minimum element in a specific column of a tuple list and add a constant K to it while preserving the original structure. Understanding the Problem Given a tuple list where each tuple represents a row of data, we need to: Find the minimum element in a specific column Add a constant value K ... Read More
In Python, tuples are immutable sequences that can store multiple elements of different types. Absolute tuple summation involves adding corresponding elements from tuples and taking the absolute value of each sum, ensuring all results are non-negative. Traditional Tuple Summation Before exploring absolute summation, let's understand basic tuple addition using zip() to pair corresponding elements ? def tuple_sum(t1, t2): return tuple(a + b for a, b in zip(t1, t2)) t1 = (2, -4, 6) t2 = (-1, 3, 5) result = tuple_sum(t1, t2) print(result) (1, -1, 11) ... Read More
When working with hierarchical data in graphical user interfaces (GUIs), it's often necessary to display the data in a structured and organized manner. The Treeview widget in Python-Tkinter provides a powerful solution for presenting hierarchical data in a user-friendly way. However, as the number of items in the Treeview grows, it becomes crucial to include a scrollbar to ensure smooth navigation and usability. First, ensure that you have Python and Tkinter installed on your system. Python 3 is recommended for compatibility and improved features. Note that Tkinter comes pre-installed with Python, so no additional installation is typically needed. ... Read More
The Rubik's Cube, a 3D mechanical puzzle, has fascinated puzzle enthusiasts since its invention in 1974. Solving the Rubik's Cube can be a daunting task, but with the power of Python and the Pytwisty library, we can develop an efficient and elegant Rubik's Cube solver. In this tutorial, we will explore the step-by-step process of building a Rubik's Cube solver using Python and Pytwisty. Prerequisites Before we dive into the implementation, make sure you have the following prerequisites in place − Python 3.x installed on your machine Pytwisty library installed using: pip install pytwisty ... Read More