Write a C++ program that:

a. Receives an 8-bit ASCII code (an integer between 0 and 255) and displays the equivalent character. Here is a sample run: Enter an ASCII code (between 0 and 255): 69 The character is E Enter an ASCII code: 300 Invalid entry b. Receives a character, checks if it is a lowercase or uppercase letter, and displays its equivalent ASCII code in decimal. Here is a sample run: Enter a letter (A to Z or a to z): E E is uppercase The ASCII code for E is 69 Enter a letter (A to Z or a to z): % Invalid entry C. Generates and displays two random letters; one lowercase and one uppercase