questions to clarify the requirements

app.py

# at Line Number 42, replace by this code until Line: 77 that contains (# Create a URL route in our application for "/")

# Create a URL route in our application for "/fill_json"
@app.route('/fill_json', methods=['GET', 'POST'])
def fill_available_data_types():
    if request.method == 'POST':
        json_data = request.json
        print(json_data)
        cleaned_data_types = []
        our_accepted_list_of_data_type = ["ECG", "Floorplan", "Doorcode", "Rescue card", "DAR", "Video", "Audio"]
        available_data = json_data["available_data_types"]
        if type(available_data) == list:
            print("it is list")
            for data_type in available_data:
                if data_type in our_accepted_list_of_data_type:
                    cleaned_data_types.append(data_type)
                else:
                    return {"message": f"the {data_type} is not among the acceptable data types, please reconfirm you entered the data types that are corresponding to any of ({our_accepted_list_of_data_type})."}
            print(cleaned_data_types)
            with open("datatypes.json", "w") as json_file: json_file.write(str(cleaned_data_types))
            return {"message": "available_data_types had been posted", "available_data_types are": cleaned_data_types}
        elif type(available_data) == dict:
            print("it is Dict")
            for data_type in available_data.keys():
                if data_type in our_accepted_list_of_data_type:
                    cleaned_data_types.append(data_type)
                else:
                    return {"message": f"the {data_type} is not among the acceptable data types, please reconfirm you entered the data types that are corresponding to any of ({our_accepted_list_of_data_type})."}
            print(cleaned_data_types)
            with open("datatypes.json", "w") as json_file: json_file.write(str(cleaned_data_types))
            return {"message": "available_data_types had been posted", "available_data_types are": cleaned_data_types}
        elif type(available_data) == str:
            return {"message": type(available_data)}
        else:
            return {"message": f"the information you sent are not in a form that accepted {type(available_data)} is not of (string, list/array and/or dictionary/object) please reconfirm you entered the data correctly."}

    if request.method == 'GET':
        return {"message": "this is get only"}

DataTypes.json

{
  "Provided_Information":
  {
    "ecg": true,
    "floorplan": true,
    "video": true,
    "dar": true,
    "doorcode": false,
    "audio_stream": false,
    "recue_sheet": true,
    "crypto_data": false
  }
}

in file templates/home.html

{% for datatype in avail_data %}
	<input type="checkbox" id="{{datatype}}" name="{{datatype}}">
	<label for="{{datatype}}">{{datatype}}</label>
{% endfor %}

<textarea name="data_types" id="" cols="100" > </textarea>

<script>
	let form=document.querySelector('form');
	fetch('http://localhost:5555/fill_json', {
		headers:{"Content-Type":"application/json"},
		method: 'POST', body: `${ form.data_types.value }`
		})
		.then((response) => response.text())
		.then((result) => {
		console.log('Success:', result);
		})
		.catch((error) => {
		console.error('Error:', error);
		});
</script>