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  1. _string = ".".join(["word{}".format(i) for i in xrange(10)])
  2. from timeit import timeit
  3. print timeit('a[a.index(".") + 1:a.rindex(".") + 1].lstrip()', "from __main__ import _string as a")
  4. print timeit('".".join(a.split(".")[1:-1])', "from __main__ import _string as a")
  5.  
Success #stdin #stdout 2.81s 8144KB
stdin
Standard input is empty
stdout
0.935178995132
1.85679793358