how to remove first item in set python code example

Example 1: python remove first element from list

>>> l = [1, 2, 3, 4, 5]
>>> l
[1, 2, 3, 4, 5]
>>> l.pop(0)
1
>>> l
[2, 3, 4, 5]

Example 2: remove first element of set

Set<String> set = Collections.newSetFromMap(new LinkedHashMap<String, Boolean>(){
    protected boolean removeEldestEntry(Map.Entry<String, Boolean> eldest) {
        return size() > MAX_ENTRIES;
    }
});