How to cache GridSearchCV optimizer result in Google Colab?
We can save the trained model or any other file via Google Colaboratory.

How I'm using it? 


  I have mapped my Google Drive with Google Colaboratory notebook and
  saved trained model as a pickle file in it. You can create a file and save your data in it.


How to integrate Google Drive with Google Colaboratory notebook?

#Add and execute below mentioned line of code in Google colaboratory notebook cell.
from google.colab import drive
drive.mount('ndrive')
#Once you execute these two lines, it will ask you to authorize it. Please follow the steps as visible on the Google Colaboratory Notebook.


That's it :).


  Few important points: 
  
  
  Now you can run usual linux command to browse the directories.
  By default it mapped to content folder and you can create sub directories in it.
  You can visit these sub-directories via Google-Drive application as well.