python - Set auto-incrementing attribute in XML node -

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I am trying to set an attribute in one of the nodes below for my XML: 

 S for images in the  rank = 1: image = feed.createElement ('image') images .appendChild (image) image.setAttribute ("rank", rank) p = feed.createTextNode (str (main_url + photo) Display) .url) image.appendChild (p) rank + = 1

The result in this error however: An attribute in the 'int' object 'Replaced' References to the line: image.setAttribute ("rank", rank) What do I remember Ha?

A string is expected, so you have to change it: 

 < Code> image.setAttribute ("rank", str (rank))

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