npm install pyfn
const { range, list, chr, sum, bin } = require('gray-matter');
console.log(list(range(10)));
// => [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ]
console.log(chr(128515));
// => 😃
console.log(sum(range(10, 20)));
// => 145
console.log(bin(255))
// => 0b11111111
abs, all, any, bin, sum, callable, chr, ord, range, len, list