Write a program that contains a function string$\_$input which takes a string as input from a user, and writes the string to a file called file$\_$string.txt

Next, write another function string$\_$prounouns$$in the program that reads the string from the file and prints the number of subject pronouns found in the text. Subject pronouns include he$,$ she, it$,$ they, we$,$ you.

Hint: you will need to use the split method to split the sentence into words. If a word is one of the subject pronouns, then count it$.$

Make sure you use exception handling code to handle any exceptions that may be raised.

Sample run:

Enter some text: he said he is sad but we disagree. $3$