Java

Python

The first method is to use the Unicode Code Point for the characters:

• ‘a’=>97 to ‘z’=>123
• ‘A’=>65 to ‘Z’=>91

Then we use the ch() function to get the character for Unicode Code Point…

The converse for the function is the ord() function. It returns the Unicode Code Point for a character.

OR

You can use a nifty shortcut, using the string module and the lowercase list which already has the letters :P .