Working with files in Python is pretty easy. But there’s a common mistake that can sneak into your code. Not closing the file ...

In Python, *args allow the function/method to be passed as many parameters as the caller wants, and they are received in the calling function as a tuple. Most of the callbacks are passed the widget ...

Spiffy and convenient as Python is, most everyone who uses the language knows it’s comparatively creaky—orders of magnitude slower than C, Java, or JavaScript for CPU-intensive work.