as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
create a computer program for comparing two strings.
user
the program should allow the user to input two strings and the program should produce an output indicating the difference between the strings. the program should compare the strings letter by letter and output the number of differences between them, as well as the positions of the differences. it should also provide the option for showing the difference between the strings in a graphical format.
assistant