Review pass

Author: craigsdennis

s2n4-combining-dataframes.ipynb

@@ -552,7 +552,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 9,
    "metadata": {},
    "outputs": [
     {
@@ -561,7 +561,7 @@
        "'Wow! $10,496.47 has passed through the request system in 214 transactions!!!'"
       ]
      },
-     "execution_count": 21,
+     "execution_count": 9,
      "metadata": {},
      "output_type": "execute_result"
     }
@@ -587,7 +587,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 10,
    "metadata": {},
    "outputs": [
     {
@@ -986,7 +986,7 @@
        "121    rodriguez9475     miller8552   25.89   2018-07-13"
       ]
      },
-     "execution_count": 18,
+     "execution_count": 10,
      "metadata": {},
      "output_type": "execute_result"
     }