<div>I have a string (column names) that I need to split.</div>
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<div>D_H = 'D 5 10 15 20 25 30 35 40 D Upper D Lower'</div>
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<div>I cannot do a simple list(D_H).split because the last two strings have a space between them (D Upper and D Lower are two, not four labels).</div>
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<div>Any suggestions?</div>