You can convert a Python string to its ASCII values using a built-in function called ord(). This function takes each character in your string and gives you its numerical code in the ASCII chart.

The Python programming language ... of each letter in a word and calculate all of them together. Using the "ord" function, you can convert a letter to its numerical representation; then it's ...

This function will take a given character (b in this case) and then give the corresponding ASCII code for that character. Ord() is a pre-defined function in Python.