June 2017
Beginner to intermediate
274 pages
6h 49m
English
Content preview from Daniel Arbuckle's Mastering Python
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First-class functions and classes
In Python, functions and classes are first-class objects. The phrase first-class object is a fancy way of saying that the data values can be accessed, modified, stored, and otherwise manipulated by the program they are a part of. In Python, a function is just as much a data value as a text string is. The same goes for classes.
When a function definition statement is executed, it stores the resulting function in a variable with the name that was specified in the def statement, as shown in the following screenshot:
This variable isn't special; it's just like any other variable holding the value. This means that ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.