is it correct ? Write a function to count how many numbers in one string.. Answer: #include #include using namespace std;   int countNumbers(string str) {     int count = 0;     for (char c : str) {         if (isdigit(c)) {             count++;         }     }     return count; } int main() {     string str = "Hello, World, 00000";     cout << countNumbers(str) << endl;     return 0; }

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