List comprehension with an if-elif-else ladder

list_comprehension_with_if_elif_else_ladder.py

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

# For loop to create a new list where we substitute all multiples of 2 by 0,
# multiples of 3(which are not multiples of 2) by 1 and leave the rest as it is.
modified_numbers = []
for number in numbers:
  if number % 2 == 0:
    modified_numbers.append(0)
  elif number % 3 == 0:
    modified_numbers.append(1)
  else:
    modified_numbers.append(number)
  
# Rewrite using list comprehension.
# Syntax: 
#   list_object = [expression_1_on_item if_condition_1_on_item
#                  else expression_2_on_item if_condition_2_on_item
#                  else expression_3_on_item for_item_in_iterable]
modified_numbers = [0 if number % 2 == 0 else 1 if number % 3 == 0
                    else number for number in numbers]

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

modified_numbers = [0 if number % 2 == 0 else (1 if number % 3 == 0
else number) for number in numbers]