midletters.py

#! /usr/bin/env python3.5
# Script for hiding text, exposing only mid letter(s), or outer letters
# Aleksandar J. https://about.me/josifsk, thinking on current twitterverse sent by https://twitter.com/tarynsouthern
# 2018 January 28; February 7

from math import trunc

bmid = False # True for exposing mid letter(s), False for outer

intext = '''For this is the will of God: your sanctification, that you abstain from sexual immorality,
'''
#  1.The_ 4:3 World English Bible

subletter = '♡'

li = intext.split()
lo = []

# mid letter(s)
for word in li:
    #word = word.strip('.,;?!:"„“')
    mid = trunc(len(word) / 2)
    if len(word) < 3:
        lo.append(word)
    elif len(word) % 2 == 0:
        if bmid:
            lo.append(subletter * len(word[:mid - 1])  + word[mid -1:mid + 1] + subletter * len(word[mid + 1:]))
        else:
            lo.append(word[:mid -1] + subletter * 2 + word[mid + 1:])
    else:
        if bmid:
            lo.append(subletter * len(word[:mid]) + word[mid] + subletter * len(word[mid + 1:]))
        else:
            lo.append(word[:mid] + subletter + word[mid + 1:])
        
output = ' '.join(lo)
print(output)