Python String Operations

Reviewing some useful string operations

In Python, the text is represented by strings, objects of the str class. Strings are immutable sequences of characters. Creating a string object is easy—we enclose the text in quotation marks:

Now the word variable contains the string Hello World. As we mentioned, strings are sequences of characters, so we can ask for the first item of the sequence:

Always remember to use parentheses with print, since we are coding in Python 3.x. We can similarly access other indices, as long as the ...