numbers = [3, 1, 4, 1, 5, 9, 2]
# numbers[0] = 3
# numbers[-1] = 2
# numbers[3] = 1
# numbers[:-1] = 3, 1, 4, 1, 5, 9
# numbers[3:4] = 1
# 5 in numbers = True
# 7 in numbers = False
# "3" in numbers = False
# numbers + [6, 5, 3] = [3, 1, 4, 1, 5, 9, 2, 6, 5, 3]

# Change the first element of numbers to "ten" (the string, not the number 10)
numbers[0] = "ten"
# Change the last element of numbers to 1
numbers[-1] = 1
# Get all the elements from numbers except the first two (slice)
numbers[3:]
# Check if 9 is an element of numbers
9 in numbers