mystring = 'abcdefg'
print(mystring[2:]) # from the 2nd index to the end
print(mystring[:4]) # up to but not including the 4th index
print(mystring[::]) # step-size of 1: from the beginning to the end
print(mystring[::2]) # step-size of 2: every 2nd letter from the beginning (0) to end

