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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def apply_ipython_style(shell):
 """Updates the specified IPython console shell with the conf.color_theme scapy theme."""

    try:
        from IPython.terminal.prompts import Prompts, Token
    except Exception:
        from scapy.error import log_loading
        log_loading.warning(
            "IPython too old. Shell color won't be handled."
        )
        return
    from scapy.config import conf
    scapy_style = {}
    # Overwrite colors
    if isinstance(conf.color_theme, NoTheme):
        shell.colors = 'nocolor'
    elif isinstance(conf.color_theme, BrightTheme):
        # lightbg is optimized for light backgrounds
        shell.colors = 'lightbg'
    elif isinstance(conf.color_theme, ColorOnBlackTheme):
        # linux is optimised for dark backgrounds
        shell.colors = 'linux'
    else:
        # default
        shell.colors = 'neutral'
    try:
        get_ipython()
        # This function actually contains tons of hacks
        color_magic = shell.magics_manager.magics["line"]["colors"]
        color_magic(shell.colors)
    except NameError:
        pass
    # Prompt Style
    if isinstance(conf.prompt, Prompts):
        # Set custom prompt style
        shell.prompts_class = conf.prompt
    else:
        if isinstance(conf.color_theme, (FormatTheme, NoTheme)):
            # Formatable
            if isinstance(conf.color_theme, HTMLTheme):
                prompt = cgi.escape(conf.prompt)
            elif isinstance(conf.color_theme, LatexTheme):
                from scapy.utils import tex_escape
                prompt = tex_escape(conf.prompt)
            else:
                prompt = conf.prompt
            prompt = conf.color_theme.prompt(prompt)
        else:
            # Needs to be manually set
            prompt = str(conf.prompt)
            scapy_style[Token.Prompt] = Color.ansi_to_pygments(
                conf.color_theme.style_prompt
            )

        class ClassicPrompt(Prompts):
            def in_prompt_tokens(self, cli=None):
                return [(Token.Prompt, prompt), ]

            def out_prompt_tokens(self):
                return [(Token.OutPrompt, ''), ]
        # Apply classic prompt style
        shell.prompts_class = ClassicPrompt
        sys.ps1 = prompt
    # Register scapy color style
    shell.highlighting_style_overrides = scapy_style
    # Apply if Live
    try:
        get_ipython().refresh_style()
    except NameError:
        pass