How do work with each letter in a string

Question

like displaying the first letter of a string input from a user or displaying how many letters a string has?

Answer 1

what language?

Answer 2

Remember strings can also be accessed as an array of characters.

ex.
string str ="hello world";
cout<<str[0];

will output: h

Answer 3

std::string str = "SoloLearn";
std::cout << str.length() << std::endl;

The example-code above shows how to output the total character-count of a string.

Answer 4

thank everyone for the replies

Answer 5

c++
sorry i forgot to add that in the question