List comprehension with an if-else condition.

list_comprehension_with_if_else_condition.py

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

# For loop to create a list with squares of all odd numbers
# and doubles of all even numbers in the original list.
modified_numbers = []
for number in numbers:
  if number % 2 == 1:
    modified_numbers.append(number * number)
  else:
    modified_numbers.append(number * 2)
  
# Rewrite using list comprehension.
# Syntax: 
#   list_object = [expression_1_on_item if_condition_1_on_item else expression_2_on_item for_item_in_iterable]
modified_numbers = [number * number if number % 2 == 1 else number * 2 for number in numbers]

print(modified_numbers) # Output: [1, 4, 9, 8, 25, 12, 49, 16, 81, 20]