How to Remove Punctuation.ipynb

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   "source": [
    "# How to Remove Punctuation from a String"
   ]
  },
  {
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   "execution_count": 47,
   "id": "04859040-8771-4ce4-b081-544eeb1bd90d",
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   "source": [
    "# let assume we've a data which contains punctuations\n",
    "string_data = \"!Hi, welco?me [to] *EPYTHON?<LAB?.\""
   ]
  },
  {
   "cell_type": "markdown",
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   "source": [
    "### Method 1: Using `.translate()` method"
   ]
  },
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   "source": [
    "\"\"\"\n",
    "Solution \n",
    "\"\"\"\n",
    "import string\n",
    "\n",
    "def method1(data):\n",
    "    \"\"\"TODO\"\"\"\n",
    "    new_data = data.translate(str.maketrans('', '', string.punctuation))\n",
    "    \n",
    "    return new_data"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 83,
   "id": "609476b5-7c08-4a05-ae9b-c7b87f4e5b2d",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Hi welcome to EPYTHONLAB\n"
     ]
    }
   ],
   "source": [
    "# call the function and return the output\n",
    "print(method1(string_data))"
   ]
  },
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   "source": [
    "---"
   ]
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   "source": [
    "---"
   ]
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    {
     "data": {
      "text/plain": [
       "'!\"#$%&\\'()*+,-./:;<=>?@[\\\\]^_`{|}~'"
      ]
     },
     "execution_count": 84,
     "metadata": {},
     "output_type": "execute_result"
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   ],
   "source": [
    "string.punctuation"
   ]
  },
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   "id": "3a1dc77b-5377-4616-8db3-1e810f722aec",
   "metadata": {},
   "source": [
    "\n",
    "### Method 2: using `.replace()` method with foorloop"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 85,
   "id": "eba723fa-cb40-4c71-adf2-83d473df0ea0",
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   "outputs": [],
   "source": [
    "\"\"\"\n",
    "solution\n",
    "\"\"\"\n",
    "import string\n",
    "\n",
    "def method2(data):\n",
    "\n",
    "    \"\"\"TODO\"\"\"\n",
    "    for char in string.punctuation:\n",
    "        data = data.replace(char, '')\n",
    "\n",
    "    return data\n",
    "    "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 86,
   "id": "a838c658-96b4-423a-968f-79a91567315a",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Hi welcome to EPYTHONLAB\n"
     ]
    }
   ],
   "source": [
    "# call function and return the result\n",
    "print(method2(string_data))"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "e1c20b30-ae77-4dea-ab4a-ff7a99357014",
   "metadata": {},
   "source": [
    "---"
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   "source": [
    "## Method 3: using `re.sub()` method"
   ]
  },
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   "cell_type": "code",
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   "outputs": [],
   "source": [
    "\"\"\"\n",
    "Solution\n",
    "\"\"\"\n",
    "import re\n",
    "def method3(data):\n",
    "    \"\"\"TODO\"\"\"\n",
    "    return re.sub(r'[^\\w\\s]', '', data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 88,
   "id": "619a9b50-77c0-4dbc-a1fc-872ababc30f1",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Hi welcome to EPYTHONLAB\n"
     ]
    }
   ],
   "source": [
    "# call the function and return the result\n",
    "print(method3(string_data))"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "de8d98b0-6412-4fae-bb71-41420df3c2c8",
   "metadata": {},
   "source": [
    "## What is the fastest way to remove punctuation from a string?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 92,
   "id": "de14ff7b-12b5-458d-9841-f1549c4a5901",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "CPU times: user 4 µs, sys: 1e+03 ns, total: 5 µs\n",
      "Wall time: 10.7 µs\n",
      "Hi welcome to EPYTHONLAB\n"
     ]
    }
   ],
   "source": [
    "\"\"\"TODO\"\"\"\n",
    "%time\n",
    "print(method1(string_data))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 93,
   "id": "824303ff-2218-4a11-854c-50a496414def",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "CPU times: user 4 µs, sys: 1e+03 ns, total: 5 µs\n",
      "Wall time: 10.3 µs\n",
      "Hi welcome to EPYTHONLAB\n"
     ]
    }
   ],
   "source": [
    "\"\"\"TODO\"\"\"\n",
    "%time\n",
    "print(method2(string_data))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 94,
   "id": "53723e6f-b9f7-4929-ba63-50c4cf1daeb7",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "CPU times: user 7 µs, sys: 2 µs, total: 9 µs\n",
      "Wall time: 23.1 µs\n",
      "Hi welcome to EPYTHONLAB\n"
     ]
    }
   ],
   "source": [
    "\"\"\"TODO\"\"\"\n",
    "%time\n",
    "print(method3(string_data))"
   ]
  },
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