Dict

Author: sarincr

08.Dictionary .ipynb

@@ -47,7 +47,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 6,
    "metadata": {},
    "outputs": [
     {
@@ -66,7 +66,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 7,
    "metadata": {},
    "outputs": [
     {
@@ -83,7 +83,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
+   "execution_count": 8,
    "metadata": {},
    "outputs": [
     {
@@ -100,7 +100,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 9,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -109,7 +109,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 13,
+   "execution_count": 10,
    "metadata": {},
    "outputs": [
     {
@@ -128,7 +128,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 14,
+   "execution_count": 11,
    "metadata": {},
    "outputs": [
     {
@@ -145,7 +145,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 15,
+   "execution_count": 12,
    "metadata": {},
    "outputs": [
     {
@@ -162,7 +162,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 16,
+   "execution_count": 13,
    "metadata": {},
    "outputs": [
     {
@@ -179,7 +179,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": 14,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -188,7 +188,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": 15,
    "metadata": {},
    "outputs": [
     {
@@ -205,7 +205,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 20,
+   "execution_count": 16,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -214,7 +214,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 21,
+   "execution_count": 17,
    "metadata": {},
    "outputs": [
     {
@@ -231,7 +231,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 22,
+   "execution_count": 18,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -240,7 +240,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 23,
+   "execution_count": 19,
    "metadata": {},
    "outputs": [
     {
@@ -260,6 +260,120 @@
     "print('New: ', new)"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 20,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "person =  {'name': 'Phill', 'age': 22}\n",
+      "Age =  22\n"
+     ]
+    }
+   ],
+   "source": [
+    "person = {'name': 'Phill', 'age': 22}\n",
+    "\n",
+    "age = person.setdefault('age')\n",
+    "print('person = ',person)\n",
+    "print('Age = ',age)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 21,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "person =  {'name': 'Phill', 'salary': None}\n",
+      "salary =  None\n",
+      "person =  {'name': 'Phill', 'salary': None, 'age': 22}\n",
+      "age =  22\n"
+     ]
+    }
+   ],
+   "source": [
+    "person = {'name': 'Phill'}\n",
+    "\n",
+    "salary = person.setdefault('salary')\n",
+    "print('person = ',person)\n",
+    "print('salary = ',salary)\n",
+    "\n",
+    "age = person.setdefault('age', 22)\n",
+    "print('person = ',person)\n",
+    "print('age = ',age)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 22,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "{'name': 'Phill', 'salary': None, 'age': 22}"
+      ]
+     },
+     "execution_count": 22,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "person"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 23,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "person =  {'name': 'Phill', 'age': 22}\n",
+      "Return Value =  ('salary', 3500.0)\n"
+     ]
+    }
+   ],
+   "source": [
+    "person = {'name': 'Phill', 'age': 22, 'salary': 3500.0}\n",
+    "\n",
+    "result = person.popitem()\n",
+    "print('person = ',person)\n",
+    "print('Return Value = ',result)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 24,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "dict_keys(['name', 'age', 'salary'])\n",
+      "dict_keys([])\n"
+     ]
+    }
+   ],
+   "source": [
+    "person = {'name': 'Phill', 'age': 22, 'salary': 3500.0}\n",
+    "print(person.keys())\n",
+    "\n",
+    "empty_dict = {}\n",
+    "print(empty_dict.keys())"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": null,