Chapter 12, Problem 1SA

Explanation of Solution

Character by character text processing:

• Strings can be accessed or manipulated by using an individual text that is present.
• Different programming language access the string individually in a different way, some prefer the string gets accessed through subscript notation.
• String is considered as list of characters.

Accessing string using subscript notation:

• The string that are accessed using the subscript notation uses subscript “0” to hold the first character and similarly till the last character.
• The first value the index value will be “0” and to find the last character use “length(variable)-1”...