# index 0 1 2 3 4 5 6 7 8 9 10 11 12

numbers = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]

# index -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1

# pyyhon has negative indexing and starts from the end which is different from the typical programming

#python positive indexing

print(numbers[1])

# python negative indexing

print(numbers[-5])

# python range printing using positive indexing. it will print values index 1 to the index before 7.

print(numbers[1:7])

# python range printing with increment by. it will print index 1 to before 7 and increment by 1

print(numbers[1:7:1])

# python range printing with increment by. it will print index 1 to before 7 and increment by 2

print(numbers[1:7:2])

# print value index 1 to end

print(numbers[1:])

# print value index 0 to before 9

print(numbers[:9])

# print values reversly. index 9 to before index 2

print(numbers[9:2])

# print values reversly. index 9 to before index 2 and decrement by 1

print(numbers[9:2:-1])

# print values reversly. index 9 to before index 2 and decrement by 2

print(numbers[9:2:-2])

# print index 0 to end

print(numbers[:])

# start end and increment by -1 which will reverse the array very simply

print(numbers[::-1])