# Original list of numbers.
numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

def modifier(number):
  """
  Returns 0 if number is a multiple of 2, 1 if number is a multiple of 3
  and otherwise, the number itself.
  """
  return 0 if number % 2 == 0 else 1 if number % 3 == 0 else number

# For loop to create a new list by applying 'modifier' method to a list.
modified_numbers = []
for number in numbers:
    modified_numbers.append(modifier(number))

# Rewrite using list comprehension.
# Syntax:
#   list_object = [method_on_item for_item_in_iterable]
modified_numbers = [modifier(number) for number in numbers]

print(modified_numbers) # Output: [1, 0, 1, 0, 5, 0, 7, 0, 1, 0]