slicing a line in python 3 code example

Example: python string slicing

my_string = "Hey, This is a sample text"
print(my_string[2:]) #prints y, This is a sample text
print(my_string[2:7]) #prints y, Th excluding the last index
print(my_string[2::2]) #prints y hsi  apetx
print(my_string[::-1]) #reverses the string => txet elpmas a si sihT ,yeH