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put mapping in elastic search using python

Code for creating and mapping a index with stemming

{
  "settings": {
    "analysis": {
      "analyzer": {
        "english_exact": {
          "tokenizer": "standard",
          "filter": [
            "lowercase"
          ]
        }
      }
    }
  },
  "mappings": {
    "_doc": {
      "properties": {
        "body": {
          "type": "text",
          "analyzer": "english",
          "fields": {
            "exact": {
              "type": "text",
              "analyzer": "english_exact"
            }
          }
        }
      }
    }
  }
}

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