input: Write a python function to check if a given number is present in the list.
  assert is_number_in_list([12, 45, 37, 13, 4], 4) == "Given number is present in the list"
  assert is_number_in_list([12, 45, 37, 13, 4], 5) == "Given number is not present in the list"
  assert is_number_in_list([1, 2, 3, 4, 5], 3) == "Given number is present in the list"
  assert is_number_in_list([1, 2, 3, 4, 5], 6) == "Given number is not present in the list"
output: def is_number_in_list(lst, num):
      if num in lst:
          return "Given number is present in the list"
      else:
          return "Given number is not present in the list"