In most programming languages, user input comes from a source known as standard input (or stdin). In Python, sys.stdin is a read-only file object from which you can grab the user's input. So, if you ...

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 ...