Challenge: Nodes and Links

Test your understanding of nodes and links in tree diagrams by working through this challenge.

We'll cover the following

Problem statement

Starting with the file simple-horizontal-tree-diagram, change the code to show the text for the non-leaf nodes as red. Also, change the code so that the link to any leaf node is a straight line, but all other links are curved.

Final output

The final output should look like the image below:

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