This section will delve into the ASCII codes of lowercase and uppercase letters from 'a' to 'z' in detail. By checking if the ASCII value of a character inputted by the user falls within the range of 97 to 122 or 65 to 90, it can be determined if the character is an alphabet. Lowercase alphabet characters in ASCII have values ranging from 97 to 122, while uppercase alphabet characters have values ranging from 65 to 90. ASCII assigns numeric values to various characters, including letters, numerals, punctuation marks, and other computer symbols. The abbreviation ASCII stands for the 'American Standard Code for Information Interchange,' which is a standardized data-encoding format utilized for computer-to-computer communication.
