Cosmetics

Author: alexanderskulikov

notebooks/03_recursion_and_induction.ipynb

@@ -568,7 +568,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 12,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -592,7 +592,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 13,
    "metadata": {},
    "outputs": [
     {
@@ -619,7 +619,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 14,
    "metadata": {},
    "outputs": [
     {
@@ -662,6 +662,46 @@
    "source": [
     "Or how much money will I have after a year?"
    ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 15,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "If you start with $1000 and earn 2% a day,\n",
+      "on day 365 you will have more than $1350400!\n"
+     ]
+    }
+   ],
+   "source": [
+    "def how_much_money(starting_amount, earn_percent, day):\n",
+    "    daily_factor = 1 + (earn_percent / 100.0)\n",
+    "    return starting_amount * (daily_factor ** (day - 1))\n",
+    "\n",
+    "\n",
+    "def print_example(starting_amount, earn_percent, day):\n",
+    "    money = int(how_much_money(starting_amount,\n",
+    "                            earn_percent, day))\n",
+    "\n",
+    "    print(f\"If you start with ${starting_amount} \"\n",
+    "          f\"and earn {earn_percent}% a day,\"\n",
+    "          f\"\\non day {day} you will have \"\n",
+    "          f\"more than ${money}!\")\n",
+    "\n",
+    "\n",
+    "print_example(1000, 2, 365)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {