PY0101DE-2-1-Tuples.ipynb

{"nbformat":4,"nbformat_minor":0,"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"},"colab":{"name":"PY0101DE-2-1-Tuples.ipynb","provenance":[],"collapsed_sections":[]}},"cells":[{"cell_type":"markdown","metadata":{"id":"xQd2ns7mB86O","colab_type":"text"},"source":["<a href=\"https://cognitiveclass.ai/\">\n","    <img src=\"https://s3-api.us-geo.objectstorage.softlayer.net/cf-courses-data/CognitiveClass/PY0101EN/Ad/CCLog.png\" width=\"100\" align=\"center\"> <img src=\"https://i1.wp.com/www.nmssemriach.at/wp-content/uploads/2019/11/cropped-Logo_Semriach_RGB-2.png\" width=\"300\" align=\"center\"></a>\n","<h4><i>Bearbeitung:</i> <b>March Harald - NMS Semriach</b></h4>"]},{"cell_type":"markdown","metadata":{"id":"fY027YV7B86P","colab_type":"text"},"source":["<h1>Tuples in Python</h1>"]},{"cell_type":"markdown","metadata":{"id":"63r1R4CTB86R","colab_type":"text"},"source":["<p><strong>Willkommen! </strong>Dieses Notizbuch erklärt dir die Tupel in der Python-Programmiersprache. Am Ende dieser Einheit wirst du die Grundlagen der Tupeloperationen in Python kennen, einschließlich Indizierung, Slicing und Sortierung.</p> "]},{"cell_type":"markdown","metadata":{"id":"_ZizzHvZB86T","colab_type":"text"},"source":["<h2 id=\"dataset\">Unsere Datenstruktur (Dataset)</h2>"]},{"cell_type":"markdown","metadata":{"id":"ND9WOE7iB86U","colab_type":"text"},"source":["Stell dir vor, du hast Albumempfehlungen von deinen Freunden erhalten und alle Empfehlungen in einer Tabelle zusammengefasst, mit detaillierten Informationen zu jedem Album.\n","\n","Die Tabelle hat eine Zeile für jedes Album und mehrere Spalten:\n","\n","- **Kuenstler** - Name des Künstlers\n","- **Album** - Name des Albums\n","- **Veroeffentlichungsjahr** - Jahr, in dem das Album veröffentlicht wurde.\n","- **Laenge_min_sek** - Länge des Albums (Stunden, Minuten, Sekunden)\n","- **Genre** - Genre des Albums\n","- **Verkaufszahlen** - Verkaufte Alben in Millionen auf [SONG://DATABASE](http://www.song-database.com/)\n","- **Einnahmen** - Einnahmen (Millionen in USD) auf [SONG://DATABASE](http://www.song-database.com/)\n","- **Erscheinungsdatum** - Datum, an dem das Album veröffentlicht wurde.\n","- **Soundtrack** - Zeigt an, ob das Album ein Filmsoundtrack (Y) ist oder nicht (N).\n","- **Bewertung_von_Freunden** - Zeigt die Bewertung von deinen Freunden von 1 bis 10 an.\n","<br>\n","<br>\n","\n","Das Dataset sieht so aus:\n","\n","<font size=\"1\">\n","<table font-size:xx-small style=\"width:25%\">\n","  <tr>\n","    <th>Künstler</th>\n","    <th>Album</th> \n","    <th>Veröffentlichung</th>\n","    <th>Länge</th>\n","    <th>Genre</th> \n","    <th>verkauft (Millionen)</th>\n","    <th>Einnahmen (millions)</th>\n","    <th>Datum</th>\n","    <th>Soundtrack</th>\n","    <th>Bewertung</th>\n","  </tr>\n","  <tr>\n","    <td>Michael Jackson</td>\n","    <td>Thriller</td> \n","    <td>1982</td>\n","    <td>00:42:19</td>\n","    <td>Pop, rock, R&B</td>\n","    <td>46</td>\n","    <td>65</td>\n","    <td>30-Nov-82</td>\n","    <td></td>\n","    <td>10.0</td>\n","  </tr>\n","  <tr>\n","    <td>AC/DC</td>\n","    <td>Back in Black</td> \n","    <td>1980</td>\n","    <td>00:42:11</td>\n","    <td>Hard rock</td>\n","    <td>26.1</td>\n","    <td>50</td>\n","    <td>25-Jul-80</td>\n","    <td></td>\n","    <td>8.5</td>\n","  </tr>\n","    <tr>\n","    <td>Pink Floyd</td>\n","    <td>The Dark Side of the Moon</td> \n","    <td>1973</td>\n","    <td>00:42:49</td>\n","    <td>Progressive rock</td>\n","    <td>24.2</td>\n","    <td>45</td>\n","    <td>01-Mar-73</td>\n","    <td></td>\n","    <td>9.5</td>\n","  </tr>\n","    <tr>\n","    <td>Whitney Houston</td>\n","    <td>The Bodyguard</td> \n","    <td>1992</td>\n","    <td>00:57:44</td>\n","    <td>Soundtrack/R&B, soul, pop</td>\n","    <td>26.1</td>\n","    <td>50</td>\n","    <td>25-Jul-80</td>\n","    <td>Y</td>\n","    <td>7.0</td>\n","  </tr>\n","    <tr>\n","    <td>Meat Loaf</td>\n","    <td>Bat Out of Hell</td> \n","    <td>1977</td>\n","    <td>00:46:33</td>\n","    <td>Hard rock, progressive rock</td>\n","    <td>20.6</td>\n","    <td>43</td>\n","    <td>21-Oct-77</td>\n","    <td></td>\n","    <td>7.0</td>\n","  </tr>\n","    <tr>\n","    <td>Eagles</td>\n","    <td>Their Greatest Hits (1971-1975)</td> \n","    <td>1976</td>\n","    <td>00:43:08</td>\n","    <td>Rock, soft rock, folk rock</td>\n","    <td>32.2</td>\n","    <td>42</td>\n","    <td>17-Feb-76</td>\n","    <td></td>\n","    <td>9.5</td>\n","  </tr>\n","    <tr>\n","    <td>Bee Gees</td>\n","    <td>Saturday Night Fever</td> \n","    <td>1977</td>\n","    <td>1:15:54</td>\n","    <td>Disco</td>\n","    <td>20.6</td>\n","    <td>40</td>\n","    <td>15-Nov-77</td>\n","    <td>Y</td>\n","    <td>9.0</td>\n","  </tr>\n","    <tr>\n","    <td>Fleetwood Mac</td>\n","    <td>Rumours</td> \n","    <td>1977</td>\n","    <td>00:40:01</td>\n","    <td>Soft rock</td>\n","    <td>27.9</td>\n","    <td>40</td>\n","    <td>04-Feb-77</td>\n","    <td></td>\n","    <td>9.5</td>\n","  </tr>\n","</table></font>"]},{"cell_type":"markdown","metadata":{"id":"09IF5gZYB86V","colab_type":"text"},"source":["<hr>"]},{"cell_type":"markdown","metadata":{"id":"Kc_GsPCIB86W","colab_type":"text"},"source":["<h2 id=\"tuple\">Tupel</h2>"]},{"cell_type":"markdown","metadata":{"id":"UeNemMNBB86X","colab_type":"text"},"source":["In Python gibt es verschiedene Datentypen: string, integer und float. Diese Datentypen können alle wie folgt in einem Tupel enthalten sein:"]},{"cell_type":"markdown","metadata":{"id":"fPr0Z-zSB86Y","colab_type":"text"},"source":["<img src=\"https://s3-api.us-geo.objectstorage.softlayer.net/cf-courses-data/CognitiveClass/PY0101EN/Chapter%202/Images/TuplesType.png\" width=\"750\" align=\"center\" />"]},{"cell_type":"markdown","metadata":{"id":"QvMy6zXEB86Z","colab_type":"text"},"source":["Nun, laß uns dein erstes Tupel mit einem String, Integer und Float erstellen."]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:19:44.879881Z","start_time":"2019-05-14T11:19:44.865445Z"},"id":"8Y6EW7D5B86a","colab_type":"code","colab":{}},"source":["# Erstelle dein erstes Tupel\n","\n","tuple1 = (\"disco\",10,1.2 )\n","tuple1"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"UY04l-_QB86f","colab_type":"text"},"source":["Der Typ der Variablen ist ein **Tupel**. "]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:19:46.887640Z","start_time":"2019-05-14T11:19:46.882764Z"},"id":"90Um6GqTB86g","colab_type":"code","colab":{}},"source":["# Gibt den Typ des von dir erstellten Tupels aus.\n","\n","type(tuple1)"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"AOZ9uSp4B86l","colab_type":"text"},"source":["<h3 id=\"index\">Indizierung</h3>"]},{"cell_type":"markdown","metadata":{"id":"yuvcqhG1B86m","colab_type":"text"},"source":["Auf jedes Element eines Tupels kann über einen Index zugegriffen werden. Die folgende Tabelle stellt die Beziehung zwischen dem Index und den Elementen im Tupel dar. Jedes Element kann durch den Namen des Tupels erhalten werden, gefolgt von einer eckigen Klammer mit der Indexnummer:"]},{"cell_type":"markdown","metadata":{"id":"5HQKlPX-B86n","colab_type":"text"},"source":["<img src=\"https://s3-api.us-geo.objectstorage.softlayer.net/cf-courses-data/CognitiveClass/PY0101EN/Chapter%202/Images/TuplesIndex.gif\" width=\"750\" align=\"center\">"]},{"cell_type":"markdown","metadata":{"id":"GqwYNhW3B86o","colab_type":"text"},"source":["Wir können jeden Wert im Tupel ausgeben:"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:19:50.213987Z","start_time":"2019-05-14T11:19:50.209262Z"},"id":"pRp281JzB86p","colab_type":"code","colab":{}},"source":["# Ausgabe der Variablen für jeden Index\n","\n","print(tuple1[0])\n","print(tuple1[1])\n","print(tuple1[2])"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"Vv_OFLoqB86s","colab_type":"text"},"source":["Wir können den **Typ** jedes Wertes im Tupel ausgeben:"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:19:51.632421Z","start_time":"2019-05-14T11:19:51.627341Z"},"id":"HaH4nkWAB86t","colab_type":"code","colab":{}},"source":["# Ausgabe des Typs für jeden Index\n","\n","print(type(tuple1[0]))\n","print(type(tuple1[1]))\n","print(type(tuple1[2]))"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"pZkpyM2kB86x","colab_type":"text"},"source":["Wir können auch eine negative Indizierung verwenden, ausgehend vom letzten Element mit dem Index -1. Wir verwenden die gleiche Tabelle oben mit entsprechenden negativen Werten:"]},{"cell_type":"markdown","metadata":{"id":"FjZPs0PYB86y","colab_type":"text"},"source":["<img src=\"https://s3-api.us-geo.objectstorage.softlayer.net/cf-courses-data/CognitiveClass/PY0101EN/Chapter%202/Images/TuplesNeg.png\" width=\"750\" align=\"center\">"]},{"cell_type":"markdown","metadata":{"id":"BIJYJXpZB86z","colab_type":"text"},"source":["Wir können das letzte Element also wie folgt erhalten (diesmal werden wir die Print-Anweisung nicht zur Anzeige der Werte verwenden):"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:19:54.040952Z","start_time":"2019-05-14T11:19:54.034158Z"},"id":"9QiMSQ0UB860","colab_type":"code","colab":{}},"source":["# Verwendung des negativen Index, um den Wert des letzten Elements zu erhalten.\n","\n","tuple1[-1]"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"fmy1FKEPB863","colab_type":"text"},"source":["Wir können die nächsten beiden Elemente wie folgt anzeigen:"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:19:55.551682Z","start_time":"2019-05-14T11:19:55.541748Z"},"id":"ziX8EunKB864","colab_type":"code","colab":{}},"source":["# Verwendung des negativen Index, um den Wert des vorletzten Elements zu erhalten.\n","\n","tuple1[-2]"],"execution_count":0,"outputs":[]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:19:58.008283Z","start_time":"2019-05-14T11:19:58.001110Z"},"id":"QYBrWYovB866","colab_type":"code","colab":{}},"source":["# Verwendung des negativen Index, um den Wert des vorvorletzten Elements zu erhalten.\n","\n","tuple1[-3]"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"4N21MFHdB869","colab_type":"text"},"source":["<h3 id=\"concate\">Verkettung von Tupeln</h3>"]},{"cell_type":"markdown","metadata":{"id":"tUd1NRdxB869","colab_type":"text"},"source":["Wir können Tupel verketten oder kombinieren, indem wir das **+** Zeichen verwenden:"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:20:00.029939Z","start_time":"2019-05-14T11:20:00.024477Z"},"id":"d0liRlS8B86-","colab_type":"code","colab":{}},"source":["# Zusammenfügen von 2 Tupeln\n","\n","tuple2 = tuple1 + (\"hard rock\", 10)\n","tuple2"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"hjso2-7wB87A","colab_type":"text"},"source":["Wir können Tupel aufteilen und erhalten mehrere Werte, wie die folgende Abbildung zeigt:"]},{"cell_type":"markdown","metadata":{"id":"h9MQkifLB87C","colab_type":"text"},"source":["<img src=\"https://s3-api.us-geo.objectstorage.softlayer.net/cf-courses-data/CognitiveClass/PY0101EN/Chapter%202/Images/TuplesSlice.gif\" width=\"750\" align=\"center\">"]},{"cell_type":"markdown","metadata":{"id":"ZLZa3zzaB87D","colab_type":"text"},"source":["<h3 id=\"slice\">Abschnitte (Slicing)</h3>"]},{"cell_type":"markdown","metadata":{"id":"2FxPTc4QB87E","colab_type":"text"},"source":["Wir können Tupel aufteilen und neue Tupel mit den entsprechenden Elementen erhalten: "]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:20:02.156174Z","start_time":"2019-05-14T11:20:02.151726Z"},"id":"GHarXRjpB87F","colab_type":"code","colab":{}},"source":["# Slicing vom Index 0 bis Index 2\n","\n","tuple2[0:3]"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"pB1dp5C0B87H","colab_type":"text"},"source":["Wir können die letzten beiden Elemente des Tupels auslesen:"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:20:04.042692Z","start_time":"2019-05-14T11:20:04.037867Z"},"id":"dG-K7Xf0B87I","colab_type":"code","colab":{}},"source":["# Slicing vom Index 3 bis Index 4\n","\n","tuple2[3:5]"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"xygRj_zGB87K","colab_type":"text"},"source":["Wir können die Länge eines Tupels mit dem Befehl <code>len</code> (\"length\") ermitteln: "]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:20:05.410162Z","start_time":"2019-05-14T11:20:05.399056Z"},"id":"Ob5AGlp6B87L","colab_type":"code","colab":{}},"source":["# Ermitteln der Länge des Tupels\n","\n","len(tuple2)"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"Bw3nd-3yB87Q","colab_type":"text"},"source":["Diese Abbildung zeigt die Anzahl der Elemente:"]},{"cell_type":"markdown","metadata":{"id":"TM8GchJAB87R","colab_type":"text"},"source":["<img src=\"https://s3-api.us-geo.objectstorage.softlayer.net/cf-courses-data/CognitiveClass/PY0101EN/Chapter%202/Images/TuplesElement.png\" width=\"750\" align=\"center\">"]},{"cell_type":"markdown","metadata":{"id":"u8zEUWRpB87U","colab_type":"text"},"source":["<h3 id=\"sort\">Sortieren</h3>"]},{"cell_type":"markdown","metadata":{"id":"gGP_BEJ-B87V","colab_type":"text"},"source":["Betrachte das folgende Tupel:"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:20:14.589634Z","start_time":"2019-05-14T11:20:14.586725Z"},"id":"fZYZ3_K6B87Y","colab_type":"code","colab":{}},"source":["# Beispiel eines Tupels\n","\n","Bewertungen = (0, 9, 6, 5, 10, 8, 9, 6, 2)"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"QXWlEHPpB87c","colab_type":"text"},"source":["Wir können die Werte in einem Tupel sortieren und in einem neuen Tupel speichern: "]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:20:18.525162Z","start_time":"2019-05-14T11:20:18.520087Z"},"id":"CQtSmiT-B87d","colab_type":"code","colab":{}},"source":["# Sortiere den Tupel\n","\n","BewertungenSortiert = sorted(Bewertungen)\n","BewertungenSortiert"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"DmRh0vcUB87f","colab_type":"text"},"source":["<h3 id=\"nest\">Verschachtelte Tupel</h3>"]},{"cell_type":"markdown","metadata":{"id":"ryFfvPZzB87f","colab_type":"text"},"source":["Ein Tupel kann sowohl ein anderes Tupel als auch andere komplexere Datentypen enthalten. Dieser Prozess wird als \"Verschachtelung\" bezeichnet. Betrachte das folgende Tupel mit mehreren Elementen: "]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:20:21.946326Z","start_time":"2019-05-14T11:20:21.937876Z"},"id":"5CeY-tNPB87g","colab_type":"code","colab":{}},"source":["# Erstellen eines verschachtelten (\"nested\") Tupels\n","\n","NestedT =(1, 2, (\"pop\", \"rock\") ,(3,4),(\"disco\",(1,2)))"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"pHi5gt74B87j","colab_type":"text"},"source":["Jedes Element im Tupel einschließlich anderer Tupel kann über einen Index ermittelt werden, wie in der Abbildung dargestellt:"]},{"cell_type":"markdown","metadata":{"id":"a71ldOwMB87j","colab_type":"text"},"source":["<img src=\"https://s3-api.us-geo.objectstorage.softlayer.net/cf-courses-data/CognitiveClass/PY0101EN/Chapter%202/Images/TuplesNestOne.png\" width=\"750\" align=\"center\">"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:20:24.148088Z","start_time":"2019-05-14T11:20:24.139965Z"},"id":"SCZAnsTSB87k","colab_type":"code","colab":{}},"source":["# Gib das Element zu jedem Index aus\n","\n","print(\"Element 0 des Tupels: \", NestedT[0])\n","print(\"Element 1 des Tupels: \", NestedT[1])\n","print(\"Element 2 des Tupels: \", NestedT[2])\n","print(\"Element 3 des Tupels: \", NestedT[3])\n","print(\"Element 4 des Tupels: \", NestedT[4])"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"l8PZ2RdTB87l","colab_type":"text"},"source":["Wir können den zweiten Index verwenden, um auf andere Tupel zuzugreifen, wie in der Abbildung gezeigt:"]},{"cell_type":"markdown","metadata":{"id":"XVmLTscWB87m","colab_type":"text"},"source":["<img src=\"https://s3-api.us-geo.objectstorage.softlayer.net/cf-courses-data/CognitiveClass/PY0101EN/Chapter%202/Images/TuplesNestTwo.png\" width=\"750\" align=\"center\">"]},{"cell_type":"markdown","metadata":{"id":"AGTAAG_AB87m","colab_type":"text"},"source":[" Wir können auf die verschachtelten Tupel zugreifen:"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:20:26.425648Z","start_time":"2019-05-14T11:20:26.417081Z"},"id":"pnNY_CuXB87m","colab_type":"code","colab":{}},"source":["# Ausgabe von Elementen für jeden Index, einschließlich geschachtelter Indizes\n","\n","print(\"Element 2, 0 des Tupels: \",   NestedT[2][0])\n","print(\"Element 2, 1 des Tupels: \",   NestedT[2][1])\n","print(\"Element 3, 0 des Tupels: \",   NestedT[3][0])\n","print(\"Element 3, 1 des Tupels: \",   NestedT[3][1])\n","print(\"Element 4, 0 des Tupels: \",   NestedT[4][0])\n","print(\"Element 4, 1 des Tupels: \",   NestedT[4][1])"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"oJ2Ic7w_B87o","colab_type":"text"},"source":["Wir können auf Strings in den zweiten verschachtelten Tupeln über einen dritten Index zugreifen:"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:20:28.639199Z","start_time":"2019-05-14T11:20:28.633468Z"},"id":"NgcrhAHbB87p","colab_type":"code","colab":{}},"source":["# Ausgabe des ersten Elements im zweiten verschachtelten Tupel\n","\n","NestedT[2][1][0]"],"execution_count":0,"outputs":[]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:20:29.904546Z","start_time":"2019-05-14T11:20:29.898669Z"},"id":"3WPa2l20B87r","colab_type":"code","colab":{}},"source":["# Ausgabe des zweiten Elements im zweiten verschachtelten Tupel\n","\n","NestedT[2][1][1]"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"qUAKKY7-B87u","colab_type":"text"},"source":["Wir können einen Baum verwenden, um den Prozess zu visualisieren. Jeder neue Index entspricht einer tieferen Ebene im Baum:"]},{"cell_type":"markdown","metadata":{"id":"mOfBOGGBB87u","colab_type":"text"},"source":["<img src=\"https://s3-api.us-geo.objectstorage.softlayer.net/cf-courses-data/CognitiveClass/PY0101EN/Chapter%202/Images/TuplesNestThree.gif\" width=\"750\" align=\"center\">"]},{"cell_type":"markdown","metadata":{"id":"kW2cvsw9B87u","colab_type":"text"},"source":["Ebenso können wir auf Elemente zugreifen, die tiefer im Baum verschachtelt sind, mit einem vierten Index:"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:20:32.307905Z","start_time":"2019-05-14T11:20:32.303024Z"},"id":"y-rGmOT3B87v","colab_type":"code","outputId":"76ab2ece-0992-40dc-a18a-afcca944355e","colab":{}},"source":["# Ausgabe des ersten Elements im zweiten verschachtelten Tupel\n","\n","NestedT[4][1][0]"],"execution_count":0,"outputs":[{"output_type":"execute_result","data":{"text/plain":["1"]},"metadata":{"tags":[]},"execution_count":19}]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:20:33.779065Z","start_time":"2019-05-14T11:20:33.768249Z"},"id":"2DOdos__B87x","colab_type":"code","colab":{}},"source":["# Ausgabe des zweiten Elements im zweiten verschachtelten Tupel\n","\n","NestedT[4][1][1]"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"3OukrCWKB87z","colab_type":"text"},"source":["Die folgende Abbildung zeigt die Beziehung des Baumes zu dem Element <code>NestedT[4][1][1][1]</code>:"]},{"cell_type":"markdown","metadata":{"id":"1dFEy6DZB870","colab_type":"text"},"source":["<img src=\"https://s3-api.us-geo.objectstorage.softlayer.net/cf-courses-data/CognitiveClass/PY0101EN/Chapter%202/Images/TuplesNestFour.gif\" width=\"750\" align=\"center\">"]},{"cell_type":"markdown","metadata":{"id":"uxhcGD6aB870","colab_type":"text"},"source":["<h2 id=\"quiz\">Quiz zu Tupeln</h2>"]},{"cell_type":"markdown","metadata":{"id":"HzL1KNCrB871","colab_type":"text"},"source":["Betrachte das folgende Tupel:"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:20:36.278904Z","start_time":"2019-05-14T11:20:36.271747Z"},"id":"0zx_ucEVB871","colab_type":"code","colab":{}},"source":["# Beispiel-Tupel\n","\n","genres_tuple = (\"pop\", \"rock\", \"soul\", \"hard rock\", \"soft rock\", \\\n","                \"R&B\", \"progressive rock\", \"disco\") \n","genres_tuple"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"h2mIj8TqB873","colab_type":"text"},"source":["Ermittle die Länge des Tupels <code>genres_tuple</code>:"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:20:52.212109Z","start_time":"2019-05-14T11:20:52.206723Z"},"id":"UyCVn7zAB873","colab_type":"code","colab":{}},"source":["# Gib deinen Code unten ein und drücke Shift+Enter, um ihn auszuführen.\n","\n"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"JImBmbrCB875","colab_type":"text"},"source":["<img src=\"https://s3-api.us-geo.objectstorage.softlayer.net/cf-courses-data/CognitiveClass/PY0101EN/Chapter%202/Images/TuplesQuiz.png\" width=\"1100\" align=\"center\">"]},{"cell_type":"markdown","metadata":{"id":"GVUGfvUOB876","colab_type":"text"},"source":["Doppelklicke __hier__ um die Lösung anzuzeigen.  \n","\n","<!-- Antwort:\n","len(genres_tuple)\n","-->"]},{"cell_type":"markdown","metadata":{"id":"rcO0_XVmB876","colab_type":"text"},"source":["Zugriff auf das Element, bezogen auf den Index 3:"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:21:02.975976Z","start_time":"2019-05-14T11:21:02.970542Z"},"id":"pthVKt79B877","colab_type":"code","colab":{}},"source":["# Gib deinen Code unten ein und drücke Shift+Enter, um ihn auszuführen.\n"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"V9mEz60nB878","colab_type":"text"},"source":["Doppelklicke __hier__ um die Lösung anzuzeigen.  \n","<!-- Antwort:\n","genres_tuple[3]\n","-->"]},{"cell_type":"markdown","metadata":{"id":"SDFf05RHB878","colab_type":"text"},"source":["Verwende Slicing um auf die Indizes 3, 4 und 5 zuzugreifen:"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:21:19.440790Z","start_time":"2019-05-14T11:21:19.434556Z"},"id":"wtMjsPmEB879","colab_type":"code","colab":{}},"source":["# Gib deinen Code unten ein und drücke Shift+Enter, um ihn auszuführen.\n"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"Buwn2js2B87_","colab_type":"text"},"source":["Doppelklicke __hier__ um die Lösung anzuzeigen.  \n","<!-- Antwort:\n","genres_tuple[3:6]\n","-->"]},{"cell_type":"markdown","metadata":{"id":"PKXXFyCsB88A","colab_type":"text"},"source":["Finde die ersten 2 Elemente des Tupels <code>genres_tuple</code>:"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:21:31.141053Z","start_time":"2019-05-14T11:21:31.135549Z"},"id":"4Ki7JLnKB88B","colab_type":"code","colab":{}},"source":["# Gib deinen Code unten ein und drücke Shift+Enter, um ihn auszuführen.\n"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"42DSlfZrB88J","colab_type":"text"},"source":["Doppelklicke __hier__ um die Lösung anzuzeigen.  <!-- Antwort:\n","genres_tuple[0:2]\n","-->"]},{"cell_type":"markdown","metadata":{"id":"YbklVZa3B88K","colab_type":"text"},"source":["Ermittle den ersten Index des Strings <code>\"disco\"</code>:"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:22:08.500747Z","start_time":"2019-05-14T11:22:08.494328Z"},"id":"xXd2lLEgB88L","colab_type":"code","colab":{}},"source":["# Gib deinen Code unten ein und drücke Shift+Enter, um ihn auszuführen.\n","\n"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"FR4dfz0RB88M","colab_type":"text"},"source":["Doppelklicke __hier__ um die Lösung anzuzeigen.  \n","<!-- Antwort:\n","genres_tuple.index(\"disco\")\n","-->"]},{"cell_type":"markdown","metadata":{"id":"anGDIHJuB88M","colab_type":"text"},"source":["Erstelle eine sortierte Liste aus dem Tupel <code>C_tuple=(-5, 1, -3)</code>:"]},{"cell_type":"code","metadata":{"ExecuteTime":{"end_time":"2019-05-14T11:22:46.221181Z","start_time":"2019-05-14T11:22:46.211455Z"},"id":"4xZUYHWEB88N","colab_type":"code","colab":{}},"source":["# Gib deinen Code unten ein und drücke Shift+Enter, um ihn auszuführen.\n","\n"],"execution_count":0,"outputs":[]},{"cell_type":"markdown","metadata":{"id":"nJSBneBhB88P","colab_type":"text"},"source":["Doppelklicke __hier__ um die Lösung anzuzeigen.  <!-- Antwort:\n","C_tuple = (-5, 1, -3)\n","C_list = sorted(C_tuple)\n","C_list\n","-->"]},{"cell_type":"markdown","metadata":{"id":"XhMgblIRB88R","colab_type":"text"},"source":["<hr>"]},{"cell_type":"markdown","metadata":{"id":"_erx4oJ6B88S","colab_type":"text"},"source":["<p>Copyright &copy; 2018 IBM Developer Skills Network. This notebook and its source code are released under the terms of the <a href=\"https://cognitiveclass.ai/mit-license/\">MIT License</a>.</p>"]}]}