01_typy_liczbowe.ipynb

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   "source": [
    "# Język Python\n",
    "## Typy liczbowe"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
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   "source": [
    "### Typy niemodyfikowalne\n",
    "![caption](img/Lecture/img041.gif)"
   ]
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   "execution_count": null,
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   "source": [
    "a = 1000\n",
    "b = a\n",
    "a += 1\n",
    "print(a, b)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "subslide"
    }
   },
   "source": [
    "### Typy modyfikowalne\n",
    "![caption](img/Lecture/img040.gif) "
   ]
  },
  {
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   "execution_count": null,
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   "outputs": [],
   "source": [
    "a = [1, 2, 3]\n",
    "b = a\n",
    "a += [4]\n",
    "print(a, b)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
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   },
   "source": [
    "## Liczby całkowite\n",
    "\n",
    "- typ:\n",
    "- zakres:\n",
    "- operatory:\n",
    "- sposoby zapisu:"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
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   },
   "source": [
    "## Liczby całkowite\n",
    "\n",
    "- typ: `int`\n",
    "- zakres: nieograniczony\n",
    "- operatory: `+`, `-`, `*`, `/`, `//`, `%`, `**`, `&`, `|`, `^`, `~`, `<<`, `>>`\n",
    "- sposoby zapisu: 100, 0b100, 0o100, 0x100, 1_000_000"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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   "outputs": [],
   "source": [
    "print(int(\"010101\"))\n",
    "print(int(\"010101\", 2))\n",
    "print(int(\"010101\", 40))"
   ]
  },
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   "execution_count": null,
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   "outputs": [],
   "source": [
    "print(hex(12))\n",
    "print(oct(12))\n",
    "print(bin(12))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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    "slideshow": {
     "slide_type": "subslide"
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   "outputs": [],
   "source": [
    "print(4 / 2)\n",
    "print(3 / 2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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   "outputs": [],
   "source": [
    "10**1000/2"
   ]
  },
  {
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   "execution_count": null,
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   "outputs": [],
   "source": [
    "10**1000//2"
   ]
  },
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   "execution_count": null,
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   },
   "outputs": [],
   "source": [
    "print(int(-4/3), int(-5/3), int(4/3), int(5/3))\n",
    "print(-4//3, -5//3, 4//3, 5//3)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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   "outputs": [],
   "source": [
    "import math\n",
    "print(math.ceil(-4/3), math.ceil(-5/3), math.ceil(4/3), math.ceil(5/3))\n",
    "print(math.floor(-4/3), math.floor(-5/3), math.floor(4/3), math.floor(5/3))\n",
    "print(math.trunc(-4/3), math.trunc(-5/3), math.trunc(4/3), math.trunc(5/3))\n",
    "print(round(-4/3), round(-5/3), round(4/3), round(5/3))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "slideshow": {
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   },
   "outputs": [],
   "source": [
    "print(round(1.5), round(-1.5))\n",
    "print(round(2.5), round(-2.5))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
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   },
   "source": [
    "Więcej o zaokrągleniach: https://realpython.com/python-rounding/"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "slideshow": {
     "slide_type": "slide"
    }
   },
   "source": [
    "## Liczby zmiennoprzecinkowe\n",
    "\n",
    "- typ: \n",
    "- zakres: \n",
    "- operatory:\n",
    "- sposoby zapisu:"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
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   },
   "source": [
    "## Liczby zmiennoprzecinkowe\n",
    "\n",
    "- typ: `float`\n",
    "- zakres: +-(2.22e-308 ~ 1.8e308), epsilon 2e-16\n",
    "- operatory: `+`, `-`, `*`, `/`, `//`, `%`, `**`\n",
    "- sposoby zapisu: 1.23, 1.23e12, 1.23E-12"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
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   },
   "outputs": [],
   "source": [
    "print(1 + 1e-15 == 1)\n",
    "print(1 + 1e-16 == 1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
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   },
   "outputs": [],
   "source": [
    "import sys\n",
    "sys.float_info"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "slideshow": {
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   },
   "outputs": [],
   "source": [
    "print(1.5 // 0.2)\n",
    "print(5.6 // 1.5)\n",
    "print(5.6 % 1.5)\n",
    "print(round(1.55555, 2))  \n",
    "print(round(155.555, -1))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "slideshow": {
     "slide_type": "fragment"
    }
   },
   "outputs": [],
   "source": [
    "print(round(155.555, 0))\n",
    "print(round(155.555))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "slideshow": {
     "slide_type": "slide"
    }
   },
   "outputs": [],
   "source": [
    "type(1j)"
   ]
  }
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