Rishabh Rawat Rishabh570

## group-stage-mongodb.js
{
  "name": "Spidey One way home",
  "release_year": "2021",
  "rating": 9,
  "starring": [
    "Tom Hanks",
    "Tom Holland",
    "Mark Zucks",
    "Samy"
  ],

## group-stage-distinct-entries.json
{
  "$group": {
    "_id": "$release_year"
  }
}

## group-stage-distinct-output.js
[
  { "_id": "1896" },
  { "_id": "2016" },
  { "_id": "2021" },
  { "_id": "2005" }
]

## group-by-multiple-fields.json
{
  "$group": {
    "_id": {
      "release_year": "$release_year",
      "runtime": "$runtime"
    }
  }
}

## group-multiple-fields-output.js
[
  {
    "_id": {
      "release_year": "2005",
      "runtime": 150
    }
  },
  {
    "_id": {
      "release_year": "2021",

## count-accumulator.json
{
  "$group": {
    "_id": "$release_year",
    "totalMovies": { "$count": {} }
  }
}

## count-accumulator-output.js
[
  {
    "_id": "2016",
    "totalMovies": 1
  },
  {
    "_id": "1896",
    "totalMovies": 1
  },
  {

## sum-accumulator.json
{
  "$group": {
    "_id": "$rating",
    "totalMovies": {
      "$sum": "$totalReviews"
    }
  }
}

## sum-accumulator-output.js
[
  {
    "_id": 9,
    "totalMovies": 2000
  },
  {
    "_id": 6,
    "totalMovies": 720
  },
  {

## avg-accumulator.json
{
  "$group": {
    "_id": {
      "year": "$release_year",
    },
    "avgRating": {
      "$avg": "$rating"
    }
  }
}
	{
	"name": "Spidey One way home",
	"release_year": "2021",
	"rating": 9,
	"starring": [
	"Tom Hanks",
	"Tom Holland",
	"Mark Zucks",
	"Samy"
	],
	[
	{ "_id": "1896" },
	{ "_id": "2016" },
	{ "_id": "2021" },
	{ "_id": "2005" }
	]
	{
	"$group": {
	"_id": {
	"release_year": "$release_year",
	"runtime": "$runtime"
	}
	}
	}
	[
	{
	"_id": {
	"release_year": "2005",
	"runtime": 150
	}
	},
	{
	"_id": {
	"release_year": "2021",
	{
	"$group": {
	"_id": "$release_year",
	"totalMovies": { "$count": {} }
	}
	}
	[
	{
	"_id": "2016",
	"totalMovies": 1
	},
	{
	"_id": "1896",
	"totalMovies": 1
	},
	{
	{
	"$group": {
	"_id": "$rating",
	"totalMovies": {
	"$sum": "$totalReviews"
	}
	}
	}
	[
	{
	"_id": 9,
	"totalMovies": 2000
	},
	{
	"_id": 6,
	"totalMovies": 720
	},
	{
	{
	"$group": {
	"_id": {
	"year": "$release_year",
	},
	"avgRating": {
	"$avg": "$rating"
	}
	}
	}