Question

You would like to create a dictionary that maps some 2-dimensional points to their associated names. As a first attempt, you write the following code:
points_to_names = {[0, 0]: "home", [1, 2]: "school", [-1, 1]: "market"}

However, this results in a type error.
Describe what the problem is, and propose a solution.

Answer 1

Answer:

A dictionary is a "key - value" pair data structure type. The syntax for creating a dictionary requires that the keys come first, before the values.

This problem in the question above is as a result of you interchanging the keys and values. THE KEYS MUST COME FIRST BEFORE THE VALUES

Explanation:

To solve this problem you will need to rearrange the code this way

points_to_names = {"home":[0, 0] , "school":[1, 2], "market":[-1, 1] }

See the attached code output that displays the dictionary's keys and values