The following loop will end when.. a =" while a!='xyz': a = input() a. the user inputs the string 'xyz' (without the apostrophes) b. the user inputs anything other than the string 'xyz' (with the...

Extracted text: The following loop will end when.. a =" while a!='xyz': a = input() a. the user inputs the string 'xyz' (without the apostrophes) b. the user inputs anything other than the string 'xyz' (with the apostrophes) c. the user inputs the string 'xyz' (with the apostrophes) d. the user inputs anything other than the string 'xyz' (without the apostrophes)