Max-Min-Price.liquid

{%assign min_price = product.price %}
{%assign max_price = product.price %}

      {% for variant in product.variants %}

        {% if max_price < variant.price %}
            {%assign max_price = variant.price %}
        {% endif %}
        
        {% if min_price > variant.price %}
          {%assign min_price = variant.price %}
        {% endif %} 
        
      {%endfor%}
      
{%if min_price != max_price %}
      {{ min_price| price }} - {{ max_price| price }}
{%else%}
       {{ product.price | price }}
{%endif%}