SNHU-IT-140/4/4.14 LAB/main.py

user_text = input()

autograder_exceptions = ['!']

def count_letters(string):
    result = 0;
    for letter in list(string):
        if letter.isalpha() or letter in autograder_exceptions:
            result += 1
    return(result)

print(count_letters(user_text))