change two python-related posts
 Changes to be committed:
	modified:   a-question-about-time-complexity-when-testing-membership-in-a-python-nested-sequence.html
	new file:   author/brannerchinese.html
	modified:   author/david-prager-branner.html
	modified:   author/david-prager-branner10.html
	modified:   author/david-prager-branner11.html
	modified:   author/david-prager-branner2.html
	modified:   author/david-prager-branner3.html
	modified:   author/david-prager-branner4.html
	modified:   author/david-prager-branner5.html
	modified:   author/david-prager-branner6.html
	modified:   author/david-prager-branner7.html
	modified:   author/david-prager-branner8.html
	modified:   author/david-prager-branner9.html
	modified:   authors.html
	modified:   category/misc.html
	modified:   data-within-literal-curly-brackets-using-python-format.html
	modified:   feeds/all.atom.xml
	modified:   feeds/misc.atom.xml
	modified:   index.html