export notebook as a pdf

[jebran10]

Is your feature request related to a problem? Please describe.
I wish I could export my Google Colab work as a pdf to share for assignments or teaching purposes.

Describe the solution you'd like
option to export as a PDF.

Describe alternatives you've considered
printing the colab notebook as a pdf but the print window does not capture the entire notebook.

Additional context
n/a

[spencersgoogle]

See related thread for the same issue and for workarounds: #4357