If you only want to change for current notebook, add the following code to cell:
from IPython.core.display import display, HTML
display(HTML("<style>.container { width:100% !important; }</style>"))
If you only want to change for current notebook, add the following code to cell:
from IPython.core.display import display, HTML
display(HTML("<style>.container { width:100% !important; }</style>"))