cleanup issue#3

issues/03.md

@@ -3,7 +3,7 @@
   | index = 3
   | title = "A Strand of String Theory"
   | date = 21 June 2024
-  | topics = strings / quickies / challenge
+  | topics = strings / methods / quickies / challenge
 -->
 
 Hey pips!
@@ -63,6 +63,9 @@ I wonder that too, to be honest, and the headcanon I believe to be pretty plausi
 > Perhaps you would advocate for a general-purpose `join()` function, but remember that we can already add strings, lists and other iterables directly with `+`, which would make it pretty useless.
 
 
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 ## Challenge
 
 Can you write a program to separate the words of an input into separate lines?
@@ -77,6 +80,9 @@ Up
 ```
 
 
+<br>
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 ## Further Reading
 
 The `str` class – [Python docs](https://docs.python.org/3/library/stdtypes.html#text-sequence-type-str)