code: def normalize(template_dict):
          
          resources = template_dict.get(RESOURCES_KEY, {})
  
          for logical_id, resource in resources.items():
              resource_metadata = resource.get(METADATA_KEY, {})
              asset_path = resource_metadata.get(ASSET_PATH_METADATA_KEY)
              asset_property = resource_metadata.get(ASSET_PROPERTY_METADATA_KEY)
  
              ResourceMetadataNormalizer._replace_property(asset_property, asset_path, resource, logical_id)
docs: Normalize all Resources in the template with the Metadata Key on the resource.
  
          This method will mutate the template
  
          Parameters
          ----------
          template_dict dict
              Dictionary representing the template