How do I put a form in twig

So I have a twig file with a form in it and I want it to go to a certain page.The problem is taht when i press submit it is not doing anything. This is the code

<table class="table table-striped table-sm table-hover" style="width:50%">
    <form method="post" action="add_edit_product_types">        
        {% if error is defined %}
            <tr>
                <td colspan="2" style="color:red;"> 
                    <div class="alert alert-danger d-flex align-items-center" role="alert">
                        <svg class="bi flex-shrink-0 me-2" width="24" height="24" role="img" aria-label="Danger:"><use xlink:href="#exclamation-triangle-fill"/>
                            <svg xmlns="http://www.w3.org/2000/svg" style="display: none;">
                                <symbol id="exclamation-triangle-fill" fill="currentColor" viewBox="0 0 16 16">
                                    <path d="M8.982 1.566a1.13 1.13 0 0 0-1.96 0L.165 13.233c-.457.778.091 1.767.98 1.767h13.713c.889 0 1.438-.99.98-1.767L8.982 1.566zM8 5c.535 0 .954.462.9.995l-.35 3.507a.552.552 0 0 1-1.1 0L7.1 5.995A.905.905 0 0 1 8 5zm.002 6a1 1 0 1 1 0 2 1 1 0 0 1 0-2z"/>
                                </symbol>
                            </svg>
                        </svg>

                        <div style="text-align:center;">
                            {{ error }}
                        </div>
                    </div>
                </td>
            </tr>
        {% endif %}
            <tr>
                <td><label>Name:</label></td>
                <td><input maxlength="50" type="text" class="form-control width" value="{{ name  }}" name="name" ></td>
            </tr>
            <tr>
            <td colspan="2">
            <a class="btn btn-primary form-group" style="color:white;text-decoration:none" href="index.php?path=product-types/index.php">Back</a>
            
            <input type="submit" name="submit" value="Submit" style="text-align:right;" class="btn btn-primary form-group input">
            </td>
        </tr>
        <input type="hidden" name="id" value="{{ id }}">
        <input type="hidden" name="is_submitted" value="yes">
    </form>
</table>
<style>
.width  {
width:250px;
}   

.input {
float: right;
clear: both;
}
</style>

I searched and i could not find anything if anyone could help. Thank you

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