How to do calculations on alphabet in Python

The aim of this page📝 is to share how a simple pattern of “programming alphabet” combining ord() , chr() and doing some math in between

Pavol Kutaj

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Feb 28, 2023

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for example, given a letter, return another letter that is in the middle between ‘a’ and the given letter

• Example: if the input is c, I want to receive the b

def mid_letter(letter):
    return chr((ord(letter) - ord('a')) // 2 + ord('a'))

>>> >>> mid_letter("l")
'f'

LINKS

• https://docs.python.org/3/library/functions.html?highlight=ord#ord
• https://docs.python.org/3/library/functions.html?highlight=chr#chr