Challenge 2: print() Options — Possible Solution
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print("apple", "banana", "cherry", sep=" | ")

Output:
apple | banana | cherry

WHY THIS WORKS AS AN ANSWER
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print() accepts any number of positional arguments (here, three
words) and joins them using whatever separator the sep keyword
argument specifies, instead of its default single space — exactly
this chapter's own sep example, just applied to a fresh set of words.

Using sep=" | " directly customizes the joiner without needing to
manually build a single concatenated string first (e.g. "apple" + " | "
+ "banana" + ...) — the keyword argument does that work in one call,
which is the actual point of the exercise: recognizing that print()'s
default spacing behavior is just a default, not a fixed rule.