      "        assert_equal(func(''), '')\n",
      "        assert_equal(func('AABBCC'), 'AABBCC')\n",
      "        assert_equal(func('AAABCCDDDD'), 'A3BCCD4')\n",
      "        print('Success: test_compress')\n",
      "\n",
      "\n",
      "def main():\n",
      "    test = TestCompress()\n",
      "    test.test_compress(compress_string)\n",
 
</s> remove    "execution_count": 16,
 </s> add    "execution_count": 7, </s> remove    "execution_count": 15,
 </s> add    "execution_count": 5, </s> remove    "execution_count": 14,
 </s> add    "execution_count": 4,
    "        assert_equal(func('aaBCCEFFFFKKMMMMMMP taaammanlaarrrr seeeeeeeeek tooo'), 'aaBCCEF4KKM6P ta3mmanlaar4 se9k to3')\n",
      "        assert_equal(func(''), '')\n",
      "        assert_equal(func('AABBCC'), 'AABBCC')\n",
      "        assert_equal(func('AAABCCDDDD'), 'A3BCCD4')\n",
    "        assert_equal(func('aaBCCEFFFFKKMMMMMMP taaammanlaarrrr seeeeeeeeek tooo'), 'aaBCCEF4KKM6P ta3mmanlaar4 se9k to3')\n",
      "        print('Success: test_compress')\n",
      "\n",
      "\n",
      "def main():\n",
      "    test = TestCompress()\n",
      "    test.test_compress(compress_string)\n",
keep keep add keep keep keep keep keep keep
 New test case to illustrate the improvements 
arrays_strings/compress/compress_solution.ipynb