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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def render_choicefield(field, attrs, choices=None):
 	""" 	Render ChoiceField as 'div' dropdown rather than select for more 	customization. 	"""

	# Allow custom choice list, but if no custom choice list then wrap all
	# choices into the `wrappers.CHOICE_TEMPLATE`
	if not choices:
		choices = format_html_join("", wrappers.CHOICE_TEMPLATE, get_choices(field))

	# Accessing the widget attrs directly saves them for a new use after
	# a POST request
	field.field.widget.attrs["value"] = field.value() or attrs.get("value", "")

	return wrappers.DROPDOWN_WRAPPER % {
		"name": field.html_name,
		"attrs": pad(flatatt(field.field.widget.attrs)),
		"placeholder": attrs.get("placeholder") or get_placeholder_text(),
		"style": pad(attrs.get("_style", "")),
		"icon": format_html(wrappers.ICON_TEMPLATE, attrs.get("_dropdown_icon") or "dropdown"),
		"choices": choices
	}