Write program that uses a function def middle(string) that returns a string containing the middle character in the string if the length of string is odd, or the two middle characters if the length is even. Print the string that was returned from the function. Use an input statement to read the string that will be passed to the function. For example, Enter a string: create The output would be: ea Enter a string: midterm The output would be: Enter a string: echavarria The output would be: va