Sync docs changes on perfect-numbers

resu-xuniL · resu-xuniL · commit 1c00a967dfcb · 2026-07-19T12:49:48.000+02:00
diff --git a/exercises/practice/perfect-numbers/.meta/config.json b/exercises/practice/perfect-numbers/.meta/config.json
@@ -22,5 +22,5 @@
   },
   "blurb": "Determine if a number is perfect, abundant, or deficient based on Nicomachus' (60 - 120 CE) classification scheme for positive integers.",
   "source": "Taken from Chapter 2 of Functional Thinking by Neal Ford.",
-  "source_url": "https://www.oreilly.com/library/view/functional-thinking/9781449365509/"
+  "source_url": "https://nealford.com/books/functionalthinking.html"
 }

Original file line number	Diff line number	Diff line change
`@@ -22,5 +22,5 @@`
`22`	`22`	`},`
`23`	`23`	`"blurb": "Determine if a number is perfect, abundant, or deficient based on Nicomachus' (60 - 120 CE) classification scheme for positive integers.",`
`24`	`24`	`"source": "Taken from Chapter 2 of Functional Thinking by Neal Ford.",`
`25`		`- "source_url": "https://www.oreilly.com/library/view/functional-thinking/9781449365509/"`
	`25`	`+ "source_url": "https://nealford.com/books/functionalthinking.html"`
`26`	`26`	`}`