08. Characters.ipynb

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   "source": [
    "Int32('a')\n",
    " # returns 97\n"
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   "outputs": [
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     "data": {
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     "execution_count": 2,
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    "Int64('a')\n",
    " # also returns 97\n"
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     "data": {
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    "Int128('a')\n",
    " # also returns 97\n"
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   "cell_type": "code",
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   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'a': ASCII/Unicode U+0061 (category Ll: Letter, lowercase)"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
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   ],
   "source": [
    "Char(97)\n",
    " # returns a\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "\"I like economics\""
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
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   ],
   "source": [
    "a =\"I like economics\"\n",
    " # string\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'I': ASCII/Unicode U+0049 (category Lu: Letter, uppercase)"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "b = a[1]\n",
    " # second component of string (here, 'I')\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "ename": "ErrorException",
     "evalue": "syntax: \"Char(0x49000000)\" is not a valid function argument name",
     "output_type": "error",
     "traceback": [
      "syntax: \"Char(0x49000000)\" is not a valid function argument name",
      ""
     ]
    }
   ],
   "source": [
    " 'I'b = a[end]\n",
    " # last component of string (here, 's')\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "ename": "UndefVarError",
     "evalue": "UndefVarError: type not defined",
     "output_type": "error",
     "traceback": [
      "UndefVarError: type not defined",
      "",
      "Stacktrace:",
      " [1] top-level scope at In[8]:1"
     ]
    }
   ],
   "source": [
    "type(b)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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