ex23.py

import sys
script, encoding, error = sys.argv


def main(language_file, encoding, errors):
    line = language_file.readline()

    if line:
        print_line(line, encoding, errors)
        return main(language_file, encoding, errors)

def print_line(line, encoding, errors):
    # The strip() method returns a copy of the string in which all chars have been stripped from the beginning and the end of the string (default whitespace characters)
    # Therefore the whitespace charactars (like \n) are removed using strip()
    next_lang = line.strip()
    raw_bytes = next_lang.encode(encoding)
    cooked_string = raw_bytes.decode(encoding, errors = errors)

    print(raw_bytes, "<==>", cooked_string)

languages = open("languages.txt", encoding="utf-8")

main(languages, encoding, error)