Question: Write a program that reads a string from the keyboard, then searches the string for words containing the letter 'a'. The program prints to the screen any words containing the letter 'a'. If no such words are found, the program prints "Letter 'a' not found" to the screen. Here are some sample input/outputs: Enter a string: Intelligence plus character. The words with letter 'a' are: character Enter a string: I am looking forward to my upcoming road trip. The words are: am forward road Enter a string: This is the test number five in ENGM1081. Letter 'a' not found. Copy and paste your program into the box below.