code: def render_countryfield(field, attrs):
  	
  	choices = ((k, k.lower(), v)
  		for k, v in field.field._choices[1:])
  
  	# Render a `ChoiceField` with all countries
  	return render_choicefield(
  		field, attrs, format_html_join("", wrappers.COUNTRY_TEMPLATE, choices)
  	)
docs: Render a custom ChoiceField specific for CountryFields.