input: Write a python function to sum all odd numbers in a list.
  assert sumOddNumbers([1, 2, 3, 4, 5, 6]) == 9
  assert sumOddNumbers([10, 21, 33, 42, 55]) == 109
  assert sumOddNumbers([2, 4, 6, 8]) == 0
output: def sumOddNumbers(lst):
      return sum(num for num in lst if num % 2 != 0)