Hi,

Not clear about the issue that you are facing,

        list_price = self.env['product.template'].create({'list_price': self.unit_cost, 'name': self.p_name})

What above line do is that, it will create a record in model product.template with the values you have passed inside the dictionary. The name of product will be the value in the variable self.p_name and price will be self.unit_cost, you can add a print statement in the code and see what values are coming inside this variables and compare it with name and price of newly created product.

Creating Record From Code: Create Record From Code in Odoo

Thanks