Python: Why does Substring [1:] work on a single char string

Question

I am learning python and I confused on why getting a string subset using the code below works.

s = 'a' print(s[1:])

Since this is a string of length one s[0:] would work since python is 0 indexed. Can somebody help explain why the s[1:] works?

My understanding of substrings is as follows:

string[start:end] = Get all characters from index start to end-1

string[:end] = Get all characters from the beginning of the string to end-1

string[start:] = Get all characters from index start to the end of the string

string[start:end:step] = Get all characters from start to end-1 discounting every step character

s = 'a' print(s[1:]) It does not work. Nothing is displayed. Do you have any precondition? Which editor do you use? — yaho cho, Apr 27 '19 at 03:13

score -1 · Answer 1 · edited Apr 27 '19 at 05:45

-1

You've already explained it

string[:end] = Get all characters from the beginning of the string to end-1 In this case,
s = 'a' - the length of s = 1
print(len(s)) - this will result 1
and you are doing s[1:] - print the characters from the start to the end-1,if you try s[0:] - will display - a

edited Apr 27 '19 at 05:45

Greenonline

answered Apr 27 '19 at 03:22

Arun

1 Answers1