You can put all your data into your google drive and then mount drive. This is how I have done it. Let me explain in steps.
Step 1:
Transfer your data into your google drive.
Step 2:
Run the following code to mount you google drive.
# Install a Drive FUSE wrapper.
# https://github.com/astrada/google-drive-ocamlfuse
!apt-get install -y -qq software-properties-common python-software-properties module-init-tools
!add-apt-repository -y ppa:alessandro-strada/ppa 2>&1 > /dev/null
!apt-get update -qq 2>&1 > /dev/null
!apt-get -y install -qq google-drive-ocamlfuse fuse
# Generate auth tokens for Colab
from google.colab import auth
auth.authenticate_user()
# Generate creds for the Drive FUSE library.
from oauth2client.client import GoogleCredentials
creds = GoogleCredentials.get_application_default()
import getpass
!google-drive-ocamlfuse -headless -id={creds.client_id} -secret={creds.client_secret} < /dev/null 2>&1 | grep URL
vcode = getpass.getpass()
!echo {vcode} | google-drive-ocamlfuse -headless -id={creds.client_id} -secret={creds.client_secret}
# Create a directory and mount Google Drive using that directory.
!mkdir -p My Drive
!google-drive-ocamlfuse My Drive
!ls My Drive/
# Create a file in Drive.
!echo "This newly created file will appear in your Drive file list." > My Drive/created.txt
Step 3:
Run the following line to check if you can see your desired data into mounted drive.
!ls Drive
Step 4:
Now load your data into numpy array as follows. I had my exel files having my train and cv and test data.
train_data = pd.read_excel(r'Drive/train.xlsx')
test = pd.read_excel(r'Drive/test.xlsx')
cv= pd.read_excel(r'Drive/cv.xlsx')
I hope it can help.
Edit
For downloading the data into your drive from the colab notebook environment, you can run the following code.
# Install the PyDrive wrapper & import libraries.
# This only needs to be done once in a notebook.
!pip install -U -q PyDrive
from pydrive.auth import GoogleAuth
from pydrive.drive import GoogleDrive
from google.colab import auth
from oauth2client.client import GoogleCredentials
# Authenticate and create the PyDrive client.
# This only needs to be done once in a notebook.
auth.authenticate_user()
gauth = GoogleAuth()
gauth.credentials = GoogleCredentials.get_application_default()
drive = GoogleDrive(gauth)
# Create & upload a file.
uploaded = drive.CreateFile({'data.xlsx': 'data.xlsx'})
uploaded.SetContentFile('data.xlsx')
uploaded.Upload()
print('Uploaded file with ID {}'.format(uploaded.get('id')))
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