added notes on join

Pierian-Data · Pierian-Data · commit 1efa0fafd32c · 2018-02-18T12:46:11.000-08:00
diff --git a/03-Methods and Functions/.ipynb_checkpoints/03-Function Practice Exercises-checkpoint.ipynb b/03-Methods and Functions/.ipynb_checkpoints/03-Function Practice Exercises-checkpoint.ipynb
@@ -206,7 +206,17 @@
     "#### MASTER YODA: Given a sentence, return a sentence with the words reversed\n",
     "\n",
     "    master_yoda('I am home') --> 'home am I'\n",
-    "    master_yoda('We are ready') --> 'ready are We'"
+    "    master_yoda('We are ready') --> 'ready are We'\n",
+    "    \n",
+    "Note: The .join() method may be useful here. The .join() method allows you to join together strings in a list with some connector string. For example, some uses of the .join() method:\n",
+    "\n",
+    "    >>> \"--\".join(['a','b','c'])\n",
+    "    >>> 'a--b--c'\n",
+    "\n",
+    "This means if you had a list of words you wanted to turn back into a sentence, you could just join them with a single space string:\n",
+    "\n",
+    "    >>> \" \".join(['Hello','world'])\n",
+    "    >>> \"Hello world\""
    ]
   },
   {
diff --git a/03-Methods and Functions/03-Function Practice Exercises.ipynb b/03-Methods and Functions/03-Function Practice Exercises.ipynb
@@ -206,7 +206,17 @@
     "#### MASTER YODA: Given a sentence, return a sentence with the words reversed\n",
     "\n",
     "    master_yoda('I am home') --> 'home am I'\n",
-    "    master_yoda('We are ready') --> 'ready are We'"
+    "    master_yoda('We are ready') --> 'ready are We'\n",
+    "    \n",
+    "Note: The .join() method may be useful here. The .join() method allows you to join together strings in a list with some connector string. For example, some uses of the .join() method:\n",
+    "\n",
+    "    >>> \"--\".join(['a','b','c'])\n",
+    "    >>> 'a--b--c'\n",
+    "\n",
+    "This means if you had a list of words you wanted to turn back into a sentence, you could just join them with a single space string:\n",
+    "\n",
+    "    >>> \" \".join(['Hello','world'])\n",
+    "    >>> \"Hello world\""
    ]
   },
   {
