def RemovePrefix(a, prefix):
  return a[len(prefix):] if a.startswith(prefix) else a
ensure example cases are handled correctly
dataset/ETHPy150Open francelabs/datafari/debian7/elk/kibana/node/lib/node_modules/npm/node_modules/node-gyp/gyp/pylib/gyp/generator/cmake.py/RemovePrefix--crossover with--dataset/ETHPy150Open gwu-libraries/launchpad/lp/ui/tests/lccn_test.py/CleanLccnTest.test_normalized_lccns