Injects *ANSI* escape codes into :class:`AnsiEscapeCodes` class.

def _set_ansi_escape_codes():
    """
    Injects *ANSI* escape codes into :class:`AnsiEscapeCodes` class.
    """

    AnsiEscapeCodes["reset"] = "\033[0m"

    for foreground_code_name, foreground_code in FOREGROUND_ANSI_ESCAPE_CODES:
        AnsiEscapeCodes[foreground_code_name] = "\033[{0}".format(foreground_code)

    for background_code_name, background_code in BACKGROUND_ANSI_ESCAPE_CODES:
        AnsiEscapeCodes[background_code_name] = "\033[{0}".format(background_code)

    for background_code_name, background_code in BACKGROUND_ANSI_ESCAPE_CODES:
        for foreground_code_name, foreground_code in FOREGROUND_ANSI_ESCAPE_CODES:
            AnsiEscapeCodes["{0}{1}".format(foreground_code_name,
                                            "{0}{1}".format(background_code_name[0].upper(),
                                                            background_code_name[1:]))] = "\033[{0}\033[{1}".format(
                foreground_code, background_code)