Raspberry Pi Projects for Kids Second Edition by 2015

Author:2015
Language: eng
Format: epub, mobi
Publisher: Packt Publishing

In the first line, we use def to say that we are defining a new function. We also give the function's name and the names of its arguments in brackets. We separate the arguments by commas if there is more than one of them. At the end of the line, we have a colon to show that we are entering a new code block, and the rest of the code in the function is indented by four spaces.

The next four lines should look very familiar to you—they are almost identical to the code we had before. The only difference is that instead of comparing with "good" or "bad", we compare with the tag argument. When we use this function, we will set tag to an appropriate value.

The final line returns the suitable adjective we've found. Pay attention to its indentation. The line of code is inside the function, but not inside the while loop (we don't want to return every item we check), so it is only indented by four spaces in total.

Type the code for this function anywhere above the existing code, which chooses the adjective; the function needs to exist in the code prior to the place where we use it. In particular, in Python, we tend to place our code in the following order:

Imports

Functions

Variables

Rest of the code

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