manhduydl

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';

/// Helper function for showing an adaptive alert dialog
/// Returns:
/// - true if the default action was selected
/// - false if the cancel action was selected
/// - null if the dialog was dismissed
Future<bool?> showAlertDialog({
  required BuildContext context,

manhduydl

from math import *

def is_prime(n):
  if n < 2: return False
  for i in range(2, isqrt(n)+1):
    if n%i == 0: return False
  return True

manhduydl

def printll(self):
        print("Head", end=" ")
        node = self.__head.next
        while node is not None:
            print(f"-> {node.value}", end=" ")
            node = node.next
        print()