diff --git a/cfu-data-types.ipynb b/cfu-data-types.ipynb
index e0fee02..fb06fd4 100644
--- a/cfu-data-types.ipynb
+++ b/cfu-data-types.ipynb
@@ -49,11 +49,75 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
-    "# Your code here\n"
+    "# Your code here\n",
+    "name=input(\"Please enter your information:name\")\n",
+    "age=int(input(\"please enter your age\"))\n",
+    "address=input(\"please enter your address\")\n",
+    "salary=int(input(\"please enter your salary\"))\n",
+    "expenses=int(input(\"please enter your expenses\"))\n",
+    "\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "100\n"
+     ]
+    }
+   ],
+   "source": [
+    "remaining_salary=salary-expenses\n",
+    "print(remaining_salary)\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "False\n"
+     ]
+    }
+   ],
+   "source": [
+    "x=True\n",
+    "y=False\n",
+    "\n",
+    "if remaining_salary >=500:\n",
+    "    print(x)\n",
+    "else:print(y)\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 6,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Nastya, who is 33 years old, and lives in Amsterdam has 100 dollars left from her salary after expenses. It is true that she has less than $500 left.\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(f\"{name}, who is {age} years old, and lives in {address} has {remaining_salary} dollars left from her salary after expenses. It is {'true' if remaining_salary < 500 else 'false'} that she has less than $500 left.\")"
    ]
   },
   {
@@ -85,7 +149,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 10,
+   "execution_count": 28,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -102,17 +166,157 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 29,
    "metadata": {},
-   "outputs": [],
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "str"
+      ]
+     },
+     "execution_count": 29,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "type(poem)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 31,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "245\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(len(poem))\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 32,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "some say the world will end in fire,\n",
+      "some say in ice.\n",
+      "from what i’ve tasted of desire\n",
+      "i hold with those who favor fire.\n",
+      "but if it had to perish twice,\n",
+      "i think i know enough of hate\n",
+      "to say that for destruction ice\n",
+      "is also great\n",
+      "and would suffice.\n"
+     ]
+    }
+   ],
+   "source": [
+    "\n",
+    "poem=poem.lower()\n",
+    "print(poem)\n",
+    "\n",
+    "\n",
+    "\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 34,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "list"
+      ]
+     },
+     "execution_count": 34,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "poem=[poem]\n",
+    "\n",
+    "type(poem)\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 36,
+   "metadata": {},
+   "outputs": [
+    {
+     "ename": "ValueError",
+     "evalue": "list.remove(x): x not in list",
+     "output_type": "error",
+     "traceback": [
+      "\u001b[31m---------------------------------------------------------------------------\u001b[39m",
+      "\u001b[31mValueError\u001b[39m                                Traceback (most recent call last)",
+      "\u001b[36mCell\u001b[39m\u001b[36m \u001b[39m\u001b[32mIn[36]\u001b[39m\u001b[32m, line 1\u001b[39m\n\u001b[32m----> \u001b[39m\u001b[32m1\u001b[39m poem.remove(\u001b[33m\",\"\u001b[39m)\n\u001b[32m      2\u001b[39m poem.remove(\u001b[33m\".\"\u001b[39m)\n\u001b[32m      3\u001b[39m print(poem)\n\u001b[32m      4\u001b[39m \n",
+      "\u001b[31mValueError\u001b[39m: list.remove(x): x not in list"
+     ]
+    }
+   ],
+   "source": [
+    "poem.remove(\",\")\n",
+    "poem.remove(\".\")\n",
+    "print(poem)\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 38,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "['some say the world will end in fire,\\nsome say in ice.\\nfrom what i’ve tasted of desire\\ni hold with those who favor fire.\\nbut if it had to perish twice,\\ni think i know enough of hate\\nto say that for destruction ice\\nis also great\\nand would suffice.']python is awsome!\n"
+     ]
+    }
+   ],
+   "source": [
+    "new_poem=str(poem)+\"python is awsome!\"\n",
+    "print(new_poem)\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 39,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "274\n"
+     ]
+    }
+   ],
    "source": [
-    "# Your code here\n"
+    "print(len(new_poem))\n"
    ]
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -126,7 +330,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.14.7"
   }
  },
  "nbformat": 4,