<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def list(self):
 """Lists all datasets for a particular account. Returns ------- request.Response The response contains a list of JSON objects describing datasets. """

        
        uri = URITemplate(self.baseuri + '/{owner}').expand(
            owner=self.username)
        return self.session.get(uri)