from ipywidgets import HTML
from IPython.display import display

import base64

res = 'computed results'

#FILE
filename = 'res.txt'
b64 = base64.b64encode(res.encode())
payload = b64.decode()

#BUTTONS
html_buttons = '''





Download File



'''

html_button = html_buttons.format(payload=payload,filename=filename)
display(HTML(html_button))