test.js

const site = "stackoverflow"
const tag = "python"


const response = await fetch(`https://api.stackexchange.com/2.3/questions?order=desc&sort=creation&site=${site}&tagged=${tag}&pagesize=100`)
const json = await response.json();
const items = json.items;

const group = {}
const months = new Set()

items.forEach((item) => {
  const date = new Date(item.creation_date * 1000)
  const month = date.getMonth()
  const dateStr = date.toLocaleString()

  const monthStr = month.toString().length < 2 ? `0${month}` : month.toString()
  const yearStr = dateStr.substring(5,9)
  const monthYear = `${monthStr}-${yearStr}`

  const currentGroup = group[monthYear]
  if (currentGroup) {
    currentGroup.push(item)
  } else {
    group[monthYear] = [item]
  }
  months.add(monthYear)
})

console.log(months.values())

const data = []

months.values().forEach((month) => {
  const items = group[month]
  let totalLength = 0

  const uniqAskers = {}
  items.forEach((item) => {
    totalLength = totalLength + item.title.length;
    const asker = item.owner;

    if (uniqAskers[asker.user_id]) {
       // augment the values of the uniqAskers here
    } else {
      uniqAskers[asker.user_id] = {
        name: asker.display_name || "not given",
        question_count: 1
      }
    }
  })

  const avgTitleLength = totalLength / items.length

  const dataObj = {
    month: month,
    question_count: items.length,
    average_title_length: avgTitleLength,
    uniq_askers:  Object.keys(uniqAskers).length,
    askers: Object.values(uniqAskers)
  }

  data.push(dataObj)
})



console.log(data)