input: Write a python function to count the number of positive and negative numbers in a list.
  assert countPosAndNeg([1, -2, 3, -4, 5, -6, 7, -8, 9, -10]) == (5, 5)
  assert countPosAndNeg([10, -20, 30, -40, 50, -60, 70, -80, 90, -100]) == (5, 5)
  assert countPosAndNeg([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]) == (10, 0)
  assert countPosAndNeg([-1, -2, -3, -4, -5, -6, -7, -8, -9, -10]) == (0, 10)
output: def countPosAndNeg(lst):
      pos_count = sum(1 for x in lst if x > 0)
      neg_count = sum(1 for x in lst if x < 0)
      return (pos_count, neg_count)