Exercise 2: A Custom Separator — Possible Solution
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day = 27
month = 7
year = 2026

print(day, month, year, sep="/")

Output:
27/7/2026

WHY THIS WORKS AS AN ANSWER
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print()'s sep argument replaces the default single-space joiner it
normally puts between comma-separated arguments — there's no string
building, concatenation, or f-string needed at all. Note the output is
27/7/2026, not 27/07/2026 — sep only controls what goes BETWEEN the
values, it doesn't zero-pad month to two digits on its own. Getting
"07" would require a separate zero-padding step (see Exercise 7),
which is a different job from choosing a separator.