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The vocabulary of a text is just the is the form or spelling of the word independently of its specific occurrences in a text — that is, the word considered as a unique item of vocabulary.
Our count of 2,789 items will include punctuation symbols, so we will generally call these unique items instead of word types.
You can access the Python interpreter using a simple graphical interface called the Interactive Deve Lopment Environment (IDLE).
On a Mac you can find this under The preceding examples demonstrate how you can work interactively with the Python interpreter, experimenting with various expressions in the language to see what they do.
This chapter is divided into sections that skip between two quite different styles.
In the "computing with language" sections we will take on some linguistically motivated programming tasks without necessarily explaining how they work.
Instead, you can come up with your own name for a task, like "lexical_diversity" or "percentage", and associate it with a block of code.
Here's the command again, together with the output that you will see.How many distinct words does the book of Genesis contain?To work this out in Python, we have to pose the question slightly differently.In the "closer look at Python" sections we will systematically review key programming concepts.We'll flag the two styles in the section titles, but later chapters will mix both styles without being so up-front about it.