My Variant Picker will not change the price for each variant

[Wesitebeginner]

There is a default variant picker with my theme I used for sizes, but when you change the size the price doesnt change. I tried to delete it and add a new one. But now the original variant picker and the new one both show up. The new one works, but i dont want the old one. They are both under one block, if i delete one i delete both, if add a new one it adds both. Please help, I asked shopify help center and they said they cant help me because I edited the code, but I didnt edit the code I just edited the theme which edits the code. Im very confused. Any help would be appreciated. Thank you

[Wesitebeginner]

Thank you for your response,

How does that work ?