That's for variable names, not run-of-the-mill text. Variable names (and, in certain situations, dictionary keys) generally can't have spaces, so if you're gene

That's for variable names, not run-of-the-mill text. Variable names (and, in certain situations, dictionary keys) generally can't have spaces, so if you're generating code off of the data set, having to generate variable names (or dictionary keys) without spaces is an additional step.