What is a Fixed-Width File? 💡 Definition: A fixed-width text file contains data that is structured in rows and columns. Each row contains one data entry consisting of multiple values (one value per column). Each column has a fixed width, i.e., the same number of characters, restricting the maximum data size per column. Example of … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to check the Data Types of a Pandas Series. A Series is a 1D (one-dimensional) array. This Series can be of various data types, such as an integer, a string, a float or even an object! A good practice is to ensure, before performing … Read more
The easiest way to convert a tab-delimited values (TSV) file to a comma-separated values (CSV) file is to use the following three lines of code: import pandas as pd df = pd.read_csv(‘my_file.txt’, sep=’\t’, header=None) df.to_csv(‘my_file.csv’, header=None) We’ll explain this and other approaches in more detail next—scroll down to Method 3 for this exact method. Problem … Read more
To convert a Pandas DataFrame into a CSV string rather than a CSV file, just use the pd.to_csv() function without any filename or path argument. The function returns a CSV string you can use for further processing in your Python script. Here’s an example: You can modify this output by passing the index=False argument: Now, … Read more
To export/convert a Pandas DataFrame to a CSV file, use the Pandas method to_csv(). Set the index=False argument if you don’t want the first column to be the index number in the CSV, which is usually the case. Let’s dive into a simple two-step example on how to convert a DataFrame to a CSV easily … Read more
This article concerns the conversion and handling of CSV file formats in combination with the UTF-8 encoding standard. 💡 The Unicode Transformation Format 8-Bit (UTF-8) is a variable-width character encoding used for electronic communication. UTF-8 can encode more than 1 million (more or less weird) characters using 1 to 4 byte code units. Example UTF-8 … Read more
You can merge multiple text files to a single CSV file in Python by using the glob.glob(‘./*.txt’) expression to filter out all path names of text files in a given folder. Then iterate over all those path names and use the open() function to read the file contents and write append them to the CSV. … Read more
The easiest way to convert a space-delimited file to a comma-separated values (CSV) file is to use the following three lines of code: import pandas as pd df = pd.read_csv(‘my_file.txt’, sep=’\s+’, header=None) df.to_csv(‘my_file.csv’, header=None) We’ll explain this and other approaches in more detail next—scroll down to Method 3 for this exact method. Problem Formulation Given … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to repeat a string multiple times in Python. Over your career as a Python coder, you will encounter situations when a string needs to be output/displayed a specified number of times. The examples below offer you various ways to accomplish this task. 💬 Question: … Read more
Are you interested in Python but you don’t know which Python library is most attractive from a career point of view? Well, you should focus on the library you’re most excited about. But if you’re generally open because you have multiple passions, it would be reasonable to also consider annual and hourly income. These are … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to convert a List of Booleans to Integers. In Python, the Boolean is a built-in data type. These values represent True (1) or False (0). Also referred to as Truthy or Falsy values. In this article, we will articulate how these values behave. To … Read more
🐍 Abstract: In this article, we’ll quickly overview the best method, respectively, to convert a CSV file to JSON, Excel, dictionary, Parquet, list, list of lists, list of tuples, text file, DataFrame, XML, NumPy array, and list of dictionaries. In this article, you’ve learned the best ways to perform the following conversions (click to read … Read more