When programming in Python, you may need to ask users for input, then translate that input into lower case letters. For example, a user may enter a text string in all capital letters and you need ...

Python’s new template strings, or t-strings, give you a much more powerful way to format data than the old-fashioned f-strings. The familiar formatted string, or f-string, feature in Python ...

Python, for all its ... the key or some other variable as input. In many cases this works well, but can be cumbersome to construct and maintain. Each case statement is followed by a pattern ...

Testing functions isn't hard, but how do you test user input and output? In my last article, I started looking at "pytest", a framework for testing Python programs that's ... a StringIO with a ...