Position in the Alphabet

Published by Matt in
language_fundamentalsnumbers

Given a number between 1-26, return what letter is at that position in the alphabet. Return "invalid" if the number given is not within that range, or isn't an integer.

Examples

letterAtPosition(1) ➞ "a"

letterAtPosition(26.0) ➞ "z"

letterAtPosition(0) ➞ "invalid"

letterAtPosition(4.5) ➞ "invalid"

Notes

  • Return a lowercase letter.
  • Numbers that end with ".0" are valid.
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