#20575: Iterator over random vertices/edges
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       Reporter:         |        Owner:
  dcoudert               |       Status:  needs_review
           Type:         |    Milestone:  sage-7.3
  enhancement            |   Resolution:
       Priority:  minor  |    Merged in:
      Component:  graph  |    Reviewers:
  theory                 |  Work issues:
       Keywords:         |       Commit:
        Authors:  David  |  cfb92adf9a381ab9022ede1b22d4ba3b8bd3439e
  Coudert                |     Stopgaps:
Report Upstream:  N/A    |
         Branch:         |
  u/dcoudert/20575       |
   Dependencies:         |
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Comment (by dcoudert):

 I was not aware of the `choice()` method. Thanks.

 For empty graphs, I checked what is done for `edge_iterator` and I propose
 to follow it, that is do nothing. I have added appropriate tests.

--
Ticket URL: <http://trac.sagemath.org/ticket/20575#comment:10>
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