      "        words_removed = ['me', 'mens']\n",
      "        words = ['a', 'at', 'has', 'hat', 'he',\n",
      "                 'men', 'met']\n",
      "        for word in words:\n",
      "            assert_true(trie.find(word) is not None)\n",
      "        for word in words_removed:\n",
      "            assert_true(trie.find(word) is None)\n",
      "\n",
      "        print('Test: Remove a')\n",
      "        trie.remove('a')\n",
 
</s> remove     "            assert_true(trie.find(word) is not None)\n",
 </s> add     "            self.assertTrue(trie.find(word) is not None)\n", </s> remove     "            assert_true(trie.find(word) is None)\n",
 </s> add     "            self.assertTrue(trie.find(word) is None)\n", </s> remove     "            assert_true(trie.find(word) is None)\n",
 </s> add     "            self.assertTrue(trie.find(word) is None)\n", </s> remove     "            assert_true(trie.find(word) is None)\n",
 </s> add     "            self.assertTrue(trie.find(word) is None)\n", </s> remove     "            assert_true(trie.find(word) is None)\n",
 </s> add     "            self.assertTrue(trie.find(word) is None)\n",
    "            self.assertTrue(trie.find(word) is not None)\n",
      "        words_removed = ['me', 'mens']\n",
      "        words = ['a', 'at', 'has', 'hat', 'he',\n",
      "                 'men', 'met']\n",
      "        for word in words:\n",
    "            self.assertTrue(trie.find(word) is not None)\n",
      "        for word in words_removed:\n",
      "            assert_true(trie.find(word) is None)\n",
      "\n",
      "        print('Test: Remove a')\n",
      "        trie.remove('a')\n",
keep keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for graphs_trees/ (#277) 
graphs_trees/trie/trie_challenge.ipynb