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Given the following text description, write Python code to implement the functionality described below step by step
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Description:
 Setup data directory
Step1:  Download database files
Step2:  download a small test dataset
ATT
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Python Code:
cd /usr/local/notebooks
mkdir -p ./data
cd ./data
Explanation: Setup data directory
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!wget https://s3.amazonaws.com/ssusearchdb/SSUsearch_db.tgz
!tar -xzvf SSUsearch_db.tgz
Explanation: Download database files
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!wget https://s3.amazonaws.com/ssusearchdb/test.tgz
!tar -xzvf test.tgz
ls test/data/
Explanation: download a small test dataset
ATT: for real (larger) dataset, make sure there is enough disk space.
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