It crossword

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Across
  1. 3. Programming paradigm based on objects (3)
  2. 4. Tool to track changes in code (3)
  3. 5. Popular database management system (3)
  4. 8. High-level language for statistical computing (3)
  5. 9. Type of software testing (4)
  6. 10. Language known for web scripting (6)
Down
  1. 1. Command-line interface for Windows (3)
  2. 2. Network hardware forwarding data packets (6)
  3. 5. Developer of the Java programming language (6)
  4. 6. Type of loop that runs indefinitely (3)
  5. 7. Unit of data storage (3)
  6. 11. Common file extension for Python (2)