Problem Formulation and Solution Overview In this article, you’ll learn how to erase the contents of a file in Python. To make it more fun, we have the following running scenario: Let’s say you have a Python script that retrieves the daily stock exchange prices for five (5) Tech Companies and saves it to prices.txt. … Read more
The Python getpass module provides portable password input functionality and allows you to accept an input string in a command-line interface (CLI) without the string being typed from being visible (echoed) in the interface. The getpass module also includes a getuser function for retrieving a username from the relevant environment variables. In this getpass Python … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to open multiple files in Python. 💬 Question: How would we write Python code to open multiple files? We can accomplish this task by one of the following options: Method 1: Open Multiple Text Files using open() Method 2:Open Multiple Text Files using open() … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to import a Python script into another Python script. To make it more fun, we have the following running scenario: Your boss at the Finxter Academy has asked you to create five (5) customized login greetings for their users. To keep your code clean, … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to read a text file from a URL in Python. To make it more fun, we have the following running scenario: Let’s assume you are a student and have been asked to write an essay on the Northern Lights. The data you require is … Read more
💬 Question: Say you have an expression you want to execute using the exec() function. How to store the result of the expression in a Python variable my_result? Before I show you the solution, let’s quickly recap the exec() function: Recap Python exec() Python’s exec() function executes the Python code you pass as a string … Read more
💬 Question: Say you have an expression you want to execute using the eval() function. How to store the result of the expression in a Python variable my_result? Before I show you the solution, let’s quickly recap the eval() function: Recap Python eval() Python eval(s) parses the string argument s into a Python expression, runs … Read more
💬 Question: How to redirect the standard output in Python and store it as a string in a variable? This article will guide you through seven easy steps to solve this problem. As an overview, here’s the code in eight lines that stores the standard output in a variable my_result: from io import StringIO import … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to add a new column to a CSV file in Python. To make it more fun, we have the following running scenario: The owner of the Finxter Academy has asked you to add a new column to their existing CSV file called Total_Chrgs. 💬 … Read more
You can change your text to bold, italic, and underlined in Python. Not only can you play around with the style of your code but also change its color with the help of specific packages and modules in Python. Interesting! Isn’t it? There are different ways of doing this. By the end of this tutorial, … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to erase the contents of a flat text file in Python. Given the file name of a file with some content. You want to erase all content of the file to obtain an empty one like this: To make it more fun, we have … Read more
Problem: How to convert one or more tuples to a csv file? Example: Given is a tuple or list of tuples—for example, salary data of employees in a given company: Your goal is to write the content of the list of tuples into a comma-separated-values (CSV) file format. Your out file should look like this: … Read more