Exercise 24
Introductory Dictionaries
In this exercise, we’ll use the same data from the previous exercise on lists and use it to learn about Dictionaries or dicts.
Key/Value Structures
You use key=value data all the time without realizing it. When you read an email, you might have:
1 From: j.smith@example.com
2 To: zed.shaw@example.com
3 Subject: I HAVE AN AMAZING INVESTMENT FOR YOU!!!On the left are the keys (From, To, Subject), which are mapped to the contents on the right of the :. Programmers say the key is “mapped” to the value, but they could also say “set to” as in, “I set From to j.smith@example.com.” In Python, I might write this same email using a data object like this:
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