link to missing_values notebook http://localhost:8889/notebooks/missing%20value.ipynb
if you want to run a notebook in antother server like (another brower or another machine), it will ask for password or token
To list your Jupyter Notebook session URLs and tokens, open a qtConsole in Anaconda Navigator and run this command:
system("jupyter" "notebook" "list")
Example:
In [10]: system("jupyter" "notebook" "list") Out[10]: ['Currently running servers:', 'http://localhost:8888/?token=9651c0fe159b0b82592747ef836dbce85c513f644a668ca9 :: /nfs/home/J/Juser', 'http://localhost:8889/?token=123bffe4532f29571c820e73f1acc238bf0109e7e48cb857 :: /nfs/home/J/Juser']