Interested in learning Python? Jack Wallen takes you through your first steps in building a simple application to take user input and write it to a file.

For example, a user may enter a text string in all capital letters and you need to normalize the data by translating it to lower case. You can translate user input to lowercase using Python's ...

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 really changed the way I look ...