numbers = [1, 2, 3, 4, 5]
fruits = ["apple", "banana", "cherry"]
mixed = [1, "hello", 3.14, True]
empty = []

fruits = ["apple", "banana", "cherry"]
print(fruits[0])   # apple (first item)
print(fruits[-1])  # cherry (last item)

numbers = [0, 1, 2, 3, 4, 5]
print(numbers[1:4])    # [1, 2, 3]
print(numbers[:3])     # [0, 1, 2]
print(numbers[3:])     # [3, 4, 5]
print(numbers[::2])    # [0, 2, 4] (every 2nd item)

fruits = ["apple", "banana"]
fruits.append("cherry")
# ["apple", "banana", "cherry"]

fruits.insert(1, "orange")
# ["apple", "orange", "banana", "cherry"]

fruits.remove("banana")

last = fruits.pop()     # Removes last item
first = fruits.pop(0)   # Removes first item

numbers = [3, 1, 4, 1, 5]
numbers.sort()  # [1, 1, 3, 4, 5]

numbers.reverse()

numbers.count(1)  # Returns 2

fruits.index("cherry")  # Returns index of "cherry"

squares = [x**2 for x in range(10)]
# [0, 1, 4, 9, 16, 25, 36, 49, 64, 81]

evens = [x for x in range(20) if x % 2 == 0]
# [0, 2, 4, 6, 8, 10, 12, 14, 16, 18]

if "apple" in fruits:
    print("Found apple!")

len(fruits)  # Returns number of items