I'm not sure what you know in advance (the name jR or only one name has the value not None ), but you can try using vars (), which, like __dict__ , should be a dict that has names in your namespace as its keys . So, if you have the string 'jR' somewhere,
vars()['jR'] = vars()['jR'][0]
Similarly, you can get the same dict using namespace.__dict__ instead of vars()
will leave you the first value in ['xx','015'] as the only value for jR .
EDIT: To be clear, since vars() and __dict__ both return dicts, you can iterate through them:
for k in namespace.__dict__: if namespace.__dict__[k] is not None: <<do something>>
askewchan
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