Example:

var1 = ‘Hello World!’

var2 = “Python Programming”

Python doesn’t have a character type; as they are viewed as one-length strings, they are also regarded as substrings.

Use the index or indices to get your substring along with the square brackets for slicing to access substrings.

#!/usr/bin/python

var1 = ‘Hello World!’

var2 = “Python Programming”

print “var1[0]: “, var1[0]

print “var2[1:5]: “, var2[1:5]

The outcome of running the aforementioned code is the following:

var1[0]:  H

var2[1:5]:  ytho

By (re)assigning a variable to another string, you can “update” an already-existing string. The new value may be connected to the old value or to an entirely separate string. For instance,

#!/usr/bin/python

var1 = ‘Hello World!’

print “Updated String :- “, var1[:6] + ‘Python’

The outcome of running the aforementioned code is the following:

updated String :-  Hello Python

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