Daniel Arbuckle's Mastering Python

The changes in the syntactic

Since version 3.5, Python has three new groups of syntactic editions. The first of these groups is the introduction of keywords for describing coroutines. Python already supported coroutines, but the keywords make things clear and sometimes simpler. We'll be discussing coroutines in depth in a later chapter, so we won't go into this any further now.

The second piece of the new syntax is the introduction of the @ symbol as an infix binary operator. This means that placing an @ symbol between two sub-expressions is now a valid Python expression, just like placing a + symbol between the sub-expressions would be as shown in the following screenshot:

However, since no built-in data type supports the @ symbol operator ...