Remove all items in listbox

q&a
1

How can I remove all items of a listbox?

list.addItems(list2)

The result ist list1+list2
…
…
list.clear()
list.addItems(list2)

2

If we talk about QListWidget() yes common API is .addItem() to add one item .addItems() to add list of items and .clear() remove all items from widget

QListWidget Class | Qt Widgets 6.7.2