ameliabob Posted July 26, 2018 Share Posted July 26, 2018 I see many examples o dictionary used but I cannot find any that adds to an existing dictionary a = dict() a['fgh']=123 a['ghi'] = 345 Yields the error a['ghi']=345 TypeError: 'str' object does not support item assignment Is it only possible to build it once and not add to it?? Link to comment Share on other sites More sharing options...
Ingolme Posted July 27, 2018 Share Posted July 27, 2018 That code should run without error, as you can see in the documentation: https://docs.python.org/3/tutorial/datastructures.html#dictionaries Is that all of the code? There might be something you're not showing that is interfering. Link to comment Share on other sites More sharing options...
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