README
what is it?
*It's a function that takes a string as a parameter, and counts the letters or numbers in that string.
install
npm install letter_counter --save
usage
const letter_counter = require('letter_counter')
console.log(letter_counter("banana"))// { b: 1, a: 3, n: 2 }
console.log(letter_counter("apple12"))//{ '1': 1, '2': 1, a: 1, p: 2, l: 1, e: 1 }