python_slicing.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "82084283",
   "metadata": {},
   "source": [
    "# # slice"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "99dcde22",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "3\n"
     ]
    }
   ],
   "source": [
    "s = [1,2,3,4,5]\n",
    "\n",
    "print(s[2])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "8cc6afd0",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[1, 2]\n"
     ]
    }
   ],
   "source": [
    "s = [1,2,3,4,5]\n",
    "\n",
    "print(s[:2])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "691100d0",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[3, 4, 5]\n"
     ]
    }
   ],
   "source": [
    "print(s[2:])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "a97a6f66",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[2, 3]\n"
     ]
    }
   ],
   "source": [
    "print(s[1:3])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "d04fddb8",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "4\n"
     ]
    }
   ],
   "source": [
    "print(s[-2])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "3f6f0df6",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[1, 2, 3, 4]"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "s[:-1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "8a29b0f2",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[5, 4, 3, 2, 1]"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "s[::-1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "ca132072",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[1]"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "s[:-4]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "a444b4b3",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[2, 3, 4, 5]"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "s[-4:]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "a06ce41f",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3 (ipykernel)",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.9.12"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}