input: from typing import List
  
  def convert_number(numbers: List[int]) -> List[int]:
      """
      Given a list of integers, convert all positive numbers to negative and all negative numbers to positive using bitwise operations.
      
      >>> convert_number([1, -2, 3, -4])
      [-1, 2, -3, 4]
      >>> convert_number([0, 5, -5, 10])
      [0, -5, 5, -10]
      """
      return [~x + 1 if x > 0 else ~(x - 1) for x in numbers]
output:     return [~x + 1 if x > 0 else ~(x - 1) for x in numbers]