Here is an updated version of the code, following the specified style guide:#include <iostream>
#include <string>

int main() {
    std::string input_string;
    std::cout << "Enter a string: ";
    std::getline(std::cin, input_string);

    int character_count = 0;
    for (char c : input_string) {
        if (isalpha(c)) {
            character_count++;
        }
    }

    std::cout << "The number of characters in the alphabet is: " << character_count << std::endl;

    return 0;
}
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence