Лекция 11.5. Условия и логические операции.ipynb

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     "text": [
      "<class 'bool'>\n",
      "<class 'bool'>\n"
     ]
    }
   ],
   "source": [
    "a = True\n",
    "b = False\n",
    "\n",
    "print (type(a))\n",
    "print (type(b))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = 2\n",
    "b = 3\n",
    "c = 1 + 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "False\n",
      "True\n"
     ]
    }
   ],
   "source": [
    "print (a == b)\n",
    "print (a == c)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "True\n",
      "False\n"
     ]
    }
   ],
   "source": [
    "print (a != b)\n",
    "print (a != c)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "False\n",
      "True\n"
     ]
    }
   ],
   "source": [
    "print (a > b)\n",
    "print (b > c)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "True\n",
      "False\n"
     ]
    }
   ],
   "source": [
    "print (a < b)\n",
    "print (a < c)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "True\n",
      "False\n"
     ]
    }
   ],
   "source": [
    "print (a <= b)\n",
    "print (b <= c)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "False\n",
      "True\n"
     ]
    }
   ],
   "source": [
    "print (a >= b)\n",
    "print (a >= c)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "False\n",
      "True\n"
     ]
    },
    {
     "ename": "TypeError",
     "evalue": "'<' not supported between instances of 'int' and 'str'",
     "output_type": "error",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
      "\u001b[1;32m<ipython-input-9-302ab7171886>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[0;32m      4\u001b[0m \u001b[0mprint\u001b[0m \u001b[1;33m(\u001b[0m\u001b[0ma\u001b[0m \u001b[1;33m==\u001b[0m \u001b[0mb\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m      5\u001b[0m \u001b[0mprint\u001b[0m \u001b[1;33m(\u001b[0m\u001b[0ma\u001b[0m \u001b[1;33m!=\u001b[0m \u001b[0mb\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m----> 6\u001b[1;33m \u001b[0mprint\u001b[0m \u001b[1;33m(\u001b[0m\u001b[0ma\u001b[0m \u001b[1;33m<\u001b[0m \u001b[0mb\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m",
      "\u001b[1;31mTypeError\u001b[0m: '<' not supported between instances of 'int' and 'str'"
     ]
    }
   ],
   "source": [
    "a = 1\n",
    "b = '1'\n",
    "\n",
    "print (a == b)\n",
    "print (a != b)\n",
    "print (a < b)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Вариант 1\n"
     ]
    }
   ],
   "source": [
    "a = 10\n",
    "b = 5\n",
    "\n",
    "if a > b:\n",
    "    print ('Вариант 1')\n",
    "else:\n",
    "    print ('Вариант 2')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Вариант 2\n"
     ]
    }
   ],
   "source": [
    "a = 10\n",
    "b = 5\n",
    "\n",
    "if a < b:\n",
    "    print ('Вариант 1')\n",
    "else:\n",
    "    print ('Вариант 2')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "текст - 1\n",
      "текст - 2\n",
      "текст - 3\n"
     ]
    }
   ],
   "source": [
    "a = 10\n",
    "b = 5\n",
    "\n",
    "if a > b:\n",
    "    print ('текст - 1')\n",
    "    print ('текст - 2')\n",
    "print ('текст - 3')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "текст - 3\n"
     ]
    }
   ],
   "source": [
    "a = 10\n",
    "b = 5\n",
    "\n",
    "if a < b:\n",
    "    print ('текст - 1')\n",
    "    print ('текст - 2')\n",
    "print ('текст - 3')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "текст-3\n"
     ]
    }
   ],
   "source": [
    "a = 10\n",
    "b = 5\n",
    "c = 2\n",
    "d = 1\n",
    "\n",
    "if a > b:\n",
    "    if d <= 1:\n",
    "        if c == 3:\n",
    "            print ('текст')\n",
    "        else:\n",
    "            if a == 11:\n",
    "                print ('текст-2')\n",
    "            else:\n",
    "                print ('текст-3')\n",
    "    else:\n",
    "        print ('текст-4')\n",
    "else:\n",
    "    print ('текст-5')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "текст-2\n"
     ]
    }
   ],
   "source": [
    "a = 10\n",
    "b = 5\n",
    "c = 2\n",
    "\n",
    "if a < b:\n",
    "    print ('текст-1')\n",
    "elif a > c:\n",
    "    print ('текст-2')\n",
    "else:\n",
    "    print ('текст-3')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "10\n",
      "Четное число\n"
     ]
    }
   ],
   "source": [
    "a = int(input())\n",
    "\n",
    "if a % 2 == 0:\n",
    "    print('Четное число')\n",
    "else:\n",
    "    print('Нечетное число')"
   ]
  }
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