Question: Write a hash function to return the 1 0 s digit of a 4 - digit key, e . g . , for a key

Write a hash function to return the 10s digit of a 4-digit key, e.g., for a key of 9183, return 8. You have to be able to find any number. Not in code just the hash formula/algorithm. Please show how you slove it, thank you.

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