alphabeth = [['           ', '           ', '           ', '           ',
    '           ', '    __     ', " .:--.'.   ", '/ |   \\ |  ',
    '`" __ | |  ', " .'.''| |  ", '/ /   | |_ ', "\\ \\._,\\ '/ ",
    ' `--\'  `"  ']]
text = input('Enter text:\n')
c = map(lambda x: ord(x) - ord('a'), text)
Text-to-ASCII art generator in Python