A $\textit{palindrome}$ is a positive integer which reads the same forward and backward, like $12321$ or $4884$.

How many $4$-digit palindromes are there?
Question:
A $\textit{palindrome}$ is a positive integer which reads the same forward and backward, like $12321$ or $4884$.

How many $4$-digit palindromes are there?
Answer:
Let's think step by step.

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A $\textit{palindrome}$ is a positive integer which reads the same forward and backward, like $12321$ or $4884$.

How many $4$-digit palindromes are there?
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