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Added swap variables notebook
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‎notebooks/how_to_swap_variables.ipynb

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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {
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"id": "CE6ac5aIsb5K"
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},
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"source": [
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"# How to Swap Variables Source Code\n",
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"by Atharva Aher for the [How to Swap Variables](https://therenegadecoder.com/code/how-to-swap-variables-in-python/) article"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"id": "yitmP7ONsq6K"
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},
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"source": [
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"## Solutions"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"id": "DdrKy6u5sxw6"
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},
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"source": [
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"Here, we'll look at all the solutions from the original article."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 7,
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"metadata": {
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"colab": {
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"base_uri": "https://localhost:8080/"
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},
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"id": "JNcqYrx9sWS5",
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"outputId": "bd09165c-5b43-4ce7-a2b9-8bf4e8145b0f"
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},
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"outputs": [
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{
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"output_type": "stream",
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"name": "stdout",
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"text": [
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"palette_1: barta\n",
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"palette_2: foie\n"
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]
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}
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],
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"source": [
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"# Swap Elements with a Temporary Variable\n",
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"palette_1 = \"foie\"\n",
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"palette_2 = \"barta\"\n",
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"\n",
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"temp = palette_1\n",
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"palette_1 = palette_2\n",
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"palette_2 =temp\n",
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"\n",
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"print('palette_1:', palette_1)\n",
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"print('palette_2:', palette_2)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 8,
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"metadata": {
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"colab": {
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"base_uri": "https://localhost:8080/"
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},
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"id": "mvS-Z2UYtE-T",
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"outputId": "7ba8b187-69f5-4fd2-8723-589a2c54f197"
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},
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"outputs": [
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{
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"output_type": "stream",
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"name": "stdout",
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"text": [
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"palette_1: barta\n",
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"palette_2: foie\n"
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]
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}
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],
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"source": [
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"# Swap Elements with Iterable Unpacking\n",
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"palette_1 = \"foie\"\n",
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"palette_2 = \"barta\"\n",
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"\n",
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"palette_1, palette_2 = palette_2, palette_1\n",
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"\n",
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"print('palette_1:', palette_1)\n",
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"print('palette_2:', palette_2)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 9,
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"metadata": {
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"colab": {
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"base_uri": "https://localhost:8080/"
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},
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"id": "1B57ydaftMrB",
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"outputId": "c39a9e31-ffd9-43c6-8cdf-df45234da7ff"
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},
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"outputs": [
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{
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"output_type": "stream",
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"name": "stdout",
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"text": [
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"palette_1: barta\n",
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"palette_2: foie\n"
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]
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}
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],
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"source": [
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"palette_1 = \"foie\"\n",
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"palette_2 = \"barta\"\n",
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"\n",
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"temp = palette_2, palette_1 # creates a tuple from the two palettes\n",
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"palette_1, palette_2 = temp # unpacks the tuple into the two palettes\n",
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"\n",
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"print('palette_1:', palette_1)\n",
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"print('palette_2:', palette_2)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"id": "ECfsN4ZTtSES"
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},
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"source": [
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"## Performance"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {
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"id": "NtKAq18ptWwK"
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},
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"source": [
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"Here, we'll look at the performance code from the original article."
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]
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},
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{
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"cell_type": "code",
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"execution_count": 10,
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"metadata": {
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"id": "IGEB5JsctTzL"
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},
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"outputs": [],
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"source": [
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"# Import performance testing library\n",
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"import timeit\n",
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"\n",
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"# Generate test strings\n",
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"setup = \"\"\"\n",
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"palette_1 = \"foie\"\n",
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"palette_2 = \"barta\"\n",
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"\"\"\"\n",
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"temp = \"\"\"\n",
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"_ = palette_1\n",
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"palette_1 = palette_2\n",
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"palette_2 = _\n",
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"\"\"\"\n",
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"unpack = \"\"\"\n",
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"palette_1, palette_2 = palette_2, palette_1\n",
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"\"\"\""
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]
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},
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{
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"cell_type": "code",
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"execution_count": 11,
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"metadata": {
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"colab": {
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"base_uri": "https://localhost:8080/"
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},
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"id": "c5F_PEXDttQz",
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"outputId": "e1d5ecf7-3d73-4d0c-9079-04eb4b97b979"
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},
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"outputs": [
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{
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"output_type": "execute_result",
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"data": {
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"text/plain": [
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"0.018495057999984965"
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]
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},
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"metadata": {},
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"execution_count": 11
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}
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],
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"source": [
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"min(timeit.repeat(setup=setup, stmt=temp))"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 12,
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"metadata": {
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"colab": {
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"base_uri": "https://localhost:8080/"
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},
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"id": "zhNyN7w3twLb",
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"outputId": "1a63233c-e2bf-4d90-8edc-d98d2917f87f"
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},
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"outputs": [
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{
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"output_type": "execute_result",
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"data": {
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"text/plain": [
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"0.016565159000037966"
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]
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},
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"metadata": {},
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"execution_count": 12
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}
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],
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"source": [
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"min(timeit.repeat(setup=setup, stmt=unpack))"
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]
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}
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],
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"metadata": {
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"colab": {
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"name": "how-to-write-a-loop.ipynb",
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"provenance": []
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},
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.7.6"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 0
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}

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