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Python Python Collections (2016, retired 2019) Dictionaries Introduction To Dictionaries

Nested Dictionary

I'm wondering how Kenneth was able to create a nested dictionary with only one closing curly brackets in this video (4:00 min in). Amazingly, looks like he did d = {'key1': 'value1', 'key2': {'anotherkey': 'anothervalue'} without the final '}' !!!!

5 Answers

Stuart Wright
Stuart Wright
41,118 Points

Good spot - that does indeed look like an error.

In fact, if you keep watching the video, you'll see that when he explores the course dictionary, it seems that the statement with the error in it did not in fact create the dictionary. He typed:

course = {"title": "Python Collections", "teacher": {"first_name": "Kenneth", "last_name": "Love"}

This should throw a SyntaxError - I'm not sure why it didn't for Kenneth in Workspaces.

He then types 'course' into the console to explore the dictionary, and we see that the dictionary contains a 'video' key, which is not present in the statement above.

So in conclusion, I really have no idea what's going on here! :)

Kenneth Love
STAFF
Kenneth Love
Treehouse Guest Teacher

Our terminal in Workspaces isn't actually a terminal, it's a JavaScript version of a terminal (it's a legit shell session, just reproduced in JS) so sometimes it's weird with overwriting. You noticed how I jumped back in the line before I started typing? So that adds characters to the line, but the emulator has problems displaying this.

Gabbie Metheny
Gabbie Metheny
33,778 Points

When this overwriting happens, I can usually remedy it by resizing the console (dragging it all the way down, then back up) in Workspaces-- Kenneth occasionally uses this trick to effectively clear the console. If I'm getting overwriting, and just want to verify what I'm actually typing, I'll drag the console down and back up before hitting "enter." Hope that helps!

Thanks, Stuart... glad I'm not missing something. Maybe they edited the video.

Oh, ok- thanks Kenneth. I'm enjoying these classes & learning alot!

Thanks, Gabbie Metheny !