use list comprehension in translate function instead of a for-loop

Author: Rise Riyo

part-4.ipynb

@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:6d49e8f391efd616a50a4c712a7081065abec4b33a013ba183f59e755696f1f5"
+  "signature": "sha256:1ea7dc49f946546b6ab2dc4d73a06849f0f6994a0ee6912c4368f0caf20e1f3f"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -297,21 +297,7 @@
      ],
      "language": "python",
      "metadata": {},
-     "outputs": [
-      {
-       "output_type": "stream",
-       "stream": "stdout",
-       "text": [
-        "the\n",
-        "cat\n",
-        "is\n",
-        "in\n",
-        "the\n",
-        "house\n"
-       ]
-      }
-     ],
-     "prompt_number": 29
+     "outputs": []
     },
     {
      "cell_type": "code",
@@ -321,17 +307,7 @@
      ],
      "language": "python",
      "metadata": {},
-     "outputs": [
-      {
-       "metadata": {},
-       "output_type": "pyout",
-       "prompt_number": 31,
-       "text": [
-        "['the', 'cat', 'is', 'in', 'the', 'house']"
-       ]
-      }
-     ],
-     "prompt_number": 31
+     "outputs": []
     },
     {
      "cell_type": "markdown",
@@ -349,17 +325,7 @@
      ],
      "language": "python",
      "metadata": {},
-     "outputs": [
-      {
-       "metadata": {},
-       "output_type": "pyout",
-       "prompt_number": 32,
-       "text": [
-        "'the cat is in the house'"
-       ]
-      }
-     ],
-     "prompt_number": 32
+     "outputs": []
     },
     {
      "cell_type": "markdown",
@@ -387,14 +353,13 @@
       "\n",
       "def translate(sentence):\n",
       "    spanish_words = sentence.split()\n",
-      "    english_words = []\n",
-      "    for w in spanish_words:\n",
-      "        english_words.append(words[w])\n",
+      "    english_words = [words[w] for w in spanish_words]\n",
       "    return \" \".join(english_words)"
      ],
      "language": "python",
      "metadata": {},
-     "outputs": []
+     "outputs": [],
+     "prompt_number": 35
     },
     {
      "cell_type": "code",
@@ -404,7 +369,17 @@
      ],
      "language": "python",
      "metadata": {},
-     "outputs": []
+     "outputs": [
+      {
+       "metadata": {},
+       "output_type": "pyout",
+       "prompt_number": 36,
+       "text": [
+        "'the dog ate the burrito green'"
+       ]
+      }
+     ],
+     "prompt_number": 36
     },
     {
      "cell_type": "code",