getline in c++

#include <iostream>
#include <string>

int main() {
    std::string str;

    // Prompt the user to enter a string
    std::cout << "Enter a string: ";

    // Read a line of text from the user and store it in 'str'
    std::getline(std::cin, str);

    // Display the entered string
    std::cout << "You entered: " << str << std::endl;

    return 0;
}

1. #include <iostream>: This line includes the input/output stream library, allowing input and output operations.
2. #include <string>: This line includes the string library, which provides functionality for handling strings.
3. int main() { ... }: The main function where program execution begins.
4. std::string str;: Declares a variable named 'str' of type 'std::string', which will hold the input string.
5. std::cout << "Enter a string: ";: Outputs the prompt asking the user to enter a string.
6. std::getline(std::cin, str);: Reads a line of text entered by the user using std::getline, storing it in the variable 'str'.
7. std::cout << "You entered: " << str << std::endl;: Outputs the entered string using std::cout.
8. return 0;: Indicates successful completion of the main() function.