add jobs()

Author: jyu00

qiskit/fundamentals/3_the_ibmq_account.ipynb

@@ -1102,6 +1102,25 @@
     "print(\"This is the histogram data for experiment 15: {}\".format(results.get_counts(15)))"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "You can use `job_set.jobs()` to retrieve a list of jobs within the job set. Note that an entry is `None` if that particular job could not be submitted."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 31,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "jobs = job_set_bar.jobs()  # Get a list of all jobs in the set.\n",
+    "job0 = jobs[0]\n",
+    "if job0 is None:\n",
+    "    print(\"Job0 submit failed!\")"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -1115,7 +1134,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 31,
+   "execution_count": 32,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -1131,7 +1150,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 32,
+   "execution_count": 33,
    "metadata": {
     "ExecuteTime": {
      "end_time": "2019-08-10T11:28:28.529479Z",