python splicing code example

Example 1: python list splicing

a[start:stop]
a[:stop]
a[start:]
a[start:stop:interval]

Example 2: get a slice of string in python

string = "something"

slice = string[0:3] # will be "som"
slice = string[0:-3] # will be "someth"
slice = string[3:] # will be "thing"
slice = string[:3] # same as first slice
slice = string[::2] # will be "smtig" -- it goes 2 step each time