Django dropdown data display issues in the control

Hi,

I am a beginner in Django and want to developing one assignment in django.

Now, I am created one model category and subcategory. Based on category populate the data sub-category and data have saved like the below format.

Category =  Operations

Subcategory = Category1,Category2,Category3,Category4

Same like other categories.

I want to display data in index.html page selection option like

Subcategory:  Category1

                     Category2

                     Category3

e.g. I looking like this .

I tried to use split function but it is not working. Please help us its a really appreciated.

My Code: How to split the values.

      <select name="subcatsname">                

        {% for subcat in all_subcats_keys %}

        

        <option value="{{subcat.subcategory }}">{{subcat.subcategory }}</option>       

        {% endfor %}

        

      </select>

Current Scenario, data display likes

Thanks & Regards
Ajeet Kumar Gupt
+91-9311232332

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