human
I am working on the file "An_Identiconizer_generator_implementation_in_Python.ipynb".
The first task is:
List of vignettes
Let's use this technique
Can you write Python program for it?
assistant
#Here is the Python program you requested.

import base64

from IPython.display import Image
from IPython.display import HTML

def tag_from_data(data, size='100%'):
    return (
        '''<img
             style="display:inline;
                    width:{1};
                    max-width:400px;
                    padding:10px;
                    margin-top:14px"
             src="data:image/png;base64,{0}"
           />
           ''').format(''.join(base64.encodebytes(data).decode().split('\n')), size)

import io

def im2bytes(im):
    buffer = io.BytesIO()
    im.save(buffer, format="png")
    return buffer.getvalue()

HTML(tag_from_data(im2bytes(im)))

class VignetteList:    
    def __init__(self, *images, size=None):
        self.images = images
        self.size = size
   
    def _repr_html_(self):
        return '<p>'+','.join(tag_from_data(im2bytes(im), self.size)  for im in self.images)+'</p>'

VignetteList(*mylist, size='200px')

def tag_from_data_II(data, size='100%'):
    return '''<img
                    style="
                        display:inline;
                        width:{1};
                        max-width:400px;
                        padding:10px;
                        margin-top:14px"
                    onMouseOver="this.style['box-shadow']='5px 5px 30px 0px rgba(163,163,163,1)'" 
                    onMouseOut="this.style['box-shadow']=''"
                    src="data:image/png;base64,{0}" 
             />'''.format(''.join(base64.encodebytes(data).decode().split('\n')), size)

def html_list_formatter(ll):
    html = get_ipython().display_formatter.formatters['text/html']
    reps = []
    for o in ll:
        if isinstance(o, Image):
            reps.append(tag_from_data_II(o.data, '200px') )
        elif isinstance(im, PILImage.Image):
            reps.append(tag_from_data_II(im2bytes(o), '200px') )
        else:
            h = html(o)
            if h:    
                reps.append(h)
            else:
                reps.append(repr(o)+'')
    
    return '<span>['+','.join(reps)+']</span>'

ipython =...