some updates to numpy nb

Author: mnfienen

notebooks/part0_python_intro/05_numpy.ipynb

@@ -533,7 +533,7 @@
     "print('a[:10]: ', a[:10])\n",
     "\n",
     "#or print the values from position 20 to the end\n",
-    "print('a[90:]', a[20:])"
+    "print('a[20:]', a[20:])"
    ]
   },
   {
@@ -576,7 +576,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "a[slice(50, None, 5)]"
+    "a[slice(10, None, 5)]"
    ]
   },
   {
@@ -643,6 +643,15 @@
     "#what do you think?  Do you think numpy has an identity function?"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "np.eye(10)"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -772,7 +781,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# are they the same shape and have all the xam\n",
+    "# are they the same shape and have all the same values\n",
     "np.array_equal(a, b), np.array_equal(b,c)"
    ]
   },
@@ -1748,7 +1757,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "pyclass",
+   "display_name": "Python 3 (ipykernel)",
    "language": "python",
    "name": "python3"
   },
@@ -1762,7 +1771,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.7"
+   "version": "3.12.11"
   }
  },
  "nbformat": 4,