Accessing Characters in Python String

Python String is an ordered sequence of characters and stored as an array. In order to access characters in a String you need to specify string name followed by index in the square brackets. Note that index is 0 based and valid range for string of length n is 0..(n-1).

In String in Python you can also use negative indexing. When negative number is used as index String is accessed backward so -1 refers to the last character, -2 second last and so on.

Getting characters from a string in Python example

s = "Hello World"
#first character
print(s[0])
#3rd character
print(s[2])
print('length of String', len(s))
#last character
print(s[len(s)-1])

Output

H
l
length of String 11
d

Getting characters using negative indexing

s = "Hello World"
# last character
print(s[-1])
print('length of String', len(s))
# first character by making the index negative
print(s[-(len(s))])

Output

d
length of String 11
H

That's all for this topic Accessing Characters in Python String. If you have any doubt or any suggestions to make please drop a comment. Thanks!

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