01-Python Comparison Operators/.ipynb_checkpoints/01-Comparison Operators-checkpoint.ipynb

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    "# Comparison Operators \n",
    "\n",
    "In this lecture we will be learning about Comparison Operators in Python. These operators will allow us to compare variables and output a Boolean value (True or False). \n",
    "\n",
    "If you have any sort of background in Math, these operators should be very straight forward.\n",
    "\n",
    "First we'll present a table of the comparison operators and then work through some examples:\n",
    "\n",
    "<h2> Table of Comparison Operators </h2><p>  In the table below, a=3 and b=4.</p>\n",
    "\n",
    "<table class=\"table table-bordered\">\n",
    "<tr>\n",
    "<th style=\"width:10%\">Operator</th><th style=\"width:45%\">Description</th><th>Example</th>\n",
    "</tr>\n",
    "<tr>\n",
    "<td>==</td>\n",
    "<td>If the values of two operands are equal, then the condition becomes true.</td>\n",
    "<td> (a == b) is not true.</td>\n",
    "</tr>\n",
    "<tr>\n",
    "<td>!=</td>\n",
    "<td>If values of two operands are not equal, then condition becomes true.</td>\n",
    "<td>(a != b) is true</td>\n",
    "</tr>\n",
    "<tr>\n",
    "<td>&gt;</td>\n",
    "<td>If the value of left operand is greater than the value of right operand, then condition becomes true.</td>\n",
    "<td> (a &gt; b) is not true.</td>\n",
    "</tr>\n",
    "<tr>\n",
    "<td>&lt;</td>\n",
    "<td>If the value of left operand is less than the value of right operand, then condition becomes true.</td>\n",
    "<td> (a &lt; b) is true.</td>\n",
    "</tr>\n",
    "<tr>\n",
    "<td>&gt;=</td>\n",
    "<td>If the value of left operand is greater than or equal to the value of right operand, then condition becomes true.</td>\n",
    "<td> (a &gt;= b) is not true. </td>\n",
    "</tr>\n",
    "<tr>\n",
    "<td>&lt;=</td>\n",
    "<td>If the value of left operand is less than or equal to the value of right operand, then condition becomes true.</td>\n",
    "<td> (a &lt;= b) is true. </td>\n",
    "</tr>\n",
    "</table>"
   ]
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   "source": [
    "Let's now work through quick examples of each of these.\n",
    "\n",
    "#### Equal"
   ]
  },
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   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
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     "execution_count": 1,
     "metadata": {},
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   "source": [
    "2 == 2"
   ]
  },
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   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "1 == 0"
   ]
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   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Note that <code>==</code> is a <em>comparison</em> operator, while <code>=</code> is an <em>assignment</em> operator."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### Not Equal"
   ]
  },
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   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
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   ],
   "source": [
    "2 != 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
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     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
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   "source": [
    "2 != 2"
   ]
  },
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   "metadata": {},
   "source": [
    "#### Greater Than"
   ]
  },
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   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
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   "source": [
    "2 > 1"
   ]
  },
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   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "2 > 4"
   ]
  },
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   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### Less Than"
   ]
  },
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   "cell_type": "code",
   "execution_count": 7,
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   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
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     "execution_count": 7,
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     "output_type": "execute_result"
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   "source": [
    "2 < 4"
   ]
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   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "False"
      ]
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     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
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   "source": [
    "2 < 1"
   ]
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   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### Greater Than or Equal to"
   ]
  },
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   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
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   "source": [
    "2 >= 2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
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     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
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   "source": [
    "2 >= 1"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "#### Less than or Equal to"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "2 <= 2"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "2 <= 4"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "**Great! Go over each comparison operator to make sure you understand what each one is saying. But hopefully this was straightforward for you.**\n",
    "\n",
    "Next we will cover chained comparison operators"
   ]
  }
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