Update

.ipynb_checkpoints/Modules_and_Packages-checkpoint.ipynb

@@ -651,6 +651,21 @@
     "print(__primeval__)"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## globals(), locals() and reload()\n",
+    "\n",
+    "globals - returns the list of objects that can be accessed globally from that point.\n",
+    "\n",
+    "locals - returns the list of objects that can be accessed locally from that point.\n",
+    "\n",
+    "reload - reloads the given module. (imported from impotlib module)\n",
+    "\n",
+    "Syntax: `reload(module_name)`"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -798,15 +813,15 @@
     }
    ],
    "source": [
-    "math.pow(2, 3)"
+    "math.pow(2, 3) # 2 ** 3"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "$^5P_2$  \n",
-    "$^5C_2$"
+    "$\\mathit{^5P_2}$  \n",
+    "$\\mathit{^5C_2}$"
    ]
   },
   {
@@ -846,7 +861,68 @@
     }
    ],
    "source": [
-    "math.comb(5, 2)"
+    "math.comb(5, 2) # 5C2"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## cmath:\n",
+    "Like math, used to work with complex numbers."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "__doc__\n",
+      "__loader__\n",
+      "__name__\n",
+      "__package__\n",
+      "__spec__\n",
+      "acos\n",
+      "acosh\n",
+      "asin\n",
+      "asinh\n",
+      "atan\n",
+      "atanh\n",
+      "cos\n",
+      "cosh\n",
+      "e\n",
+      "exp\n",
+      "inf\n",
+      "infj\n",
+      "isclose\n",
+      "isfinite\n",
+      "isinf\n",
+      "isnan\n",
+      "log\n",
+      "log10\n",
+      "nan\n",
+      "nanj\n",
+      "phase\n",
+      "pi\n",
+      "polar\n",
+      "rect\n",
+      "sin\n",
+      "sinh\n",
+      "sqrt\n",
+      "tan\n",
+      "tanh\n",
+      "tau\n"
+     ]
+    }
+   ],
+   "source": [
+    "import cmath\n",
+    "\n",
+    "print(*dir(cmath), sep='\\n')"
    ]
   },
   {