-The Python SDK provides a generic set of wrappers so you can make API calls easily. It performs some validation before connecting to the API server: for example, it refuses to do an API call if a required parameter is missing.
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-The library also includes some conveniences for use in Crunch scripts; see "Crunch utility libraries":crunch-utility-libraries.html for details.
+The Python SDK provides access from Python to the Arvados API and Keep. It also includes a number of command line tools for using and administering Arvados and Keep, and some conveniences for use in Crunch scripts; see "Crunch utility libraries":crunch-utility-libraries.html for details.