input: Write a python function to find common elements between two lists and print them.
  assert find_common_elements([1, 2, 3, 4, 5], [4, 5, 6, 7, 8])==[4,5]
  assert find_common_elements([10, 20, 30], [30, 40, 50])==[30]
  assert find_common_elements([1, 2], [3, 4])==[]
output: def find_common_elements(list1, list2):
      return [element for element in list1 if element in list2]