You can use get to talk about the progress that you are making. For example, if you say that you are getting somewhere, you mean that you are making progress, and if you say that something won't get you anywhere, you mean it will not help you to progress at all.

To get rid of something means to throw it away. I'm going to get rid of all these old newspapers. To get out of bed on the wrong side means to be in a bad mood. He got out of the wrong side of the bed this morning and he's been horrible all day. To get your own back means to have your revenge or punish someone.

In this video, I conducted an epoxy pouring experiment, casting 8 gallons of epoxy resin in a single pour, significantly exceeding the manufacturer's regulations. The pour reached a thickness of 11 ...

Here the get method finds a key entry for 'e' and finds its value which is 1. We add this to the other 1 in characters.get (character, 0) + 1 and get 2 as result.

What is confusing you? You evidently know what .get invoked on a dictionary does, that's what's being called for each key in the dictionary.