160_Print_Formating.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Print Formatting\n",
    "\n",
    "Python has a long history of trying to format strings (and print statements) in different ways. In Python 3.5 this became easier with `.format()` and in Python 3.6 we got f-strings, a nicer way to format variables inside of a string. "
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### .format() with Python 3.5 and earlier"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "course = \"Python for Everybody\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The course you are in is Python for Everybody\n"
     ]
    }
   ],
   "source": [
    "print(\"The course you are in is {}\".format(course))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "greeting = \"Welcome {}, you are sitting in {}\".format(\"Kalob\", course)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Welcome Kalob, you are sitting in Python for Everybody'"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "greeting"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Python 3.7.2\r\n"
     ]
    }
   ],
   "source": [
    "!python -V "
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "> **Note**: If you want to run a command as if you were on the command line, you can start any command with `!` and it'll execute it as if you were running the command from Bash, cmd/Power Shell, or Terminal."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### f-strings with Python 3.6 and later"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Hello HENRY welcome to pYTHON FOR eVERYBODY'"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "name = \"Henry\"\n",
    "f\"Hello {name.upper()} welcome to {course.swapcase()}\" # >= 3.6 "
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Example"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "What is your name? @KalobTaulien\n",
      "Hello @KalobTaulien, welcome to Python!\n"
     ]
    }
   ],
   "source": [
    "user_name = input(\"What is your name? \")\n",
    "print(f\"Hello {user_name}, welcome to Python!\")"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "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": "3.7.2"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 4
}