it-ebooks - Python 3 Module Examples
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- 1.1
- Reading and writing files 1.2
- 1.2.1
- 1.2.2
- 1.2.3
- 1.2.4
- Data analysis 1.3
- 1.3.1
- 1.3.2
- 1.3.3
- 1.3.4
- Data visualisation 1.4
- 1.4.1
- 1.4.2
- Interacting with the web 1.5
- 1.5.1
- 1.5.2
- 1.5.3
- Essential standard modules 1.6
- 1.6.1
- 1.6.2
- 1.6.3
- 1.6.4
- 1.6.5
- 1.6.6
- 1.6.7
- 1.6.8
- 1.7
- 1.7.1
- 1.7.2
- 1.7.3
- 1.7.4
- 1.7.5
- 1.7.6
- 1.7.7
- 1.7.8
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- 1.7.11
Programmiere einen Babynamengenerator fr unentschlossene Eltern.
- Das Programm gibt zufllig einen Namen aus einer vorgegebenen Liste aus
- Das Programm gibt zufllig einen Namen aus dem US-Melderegister aus
- Der Benutzer kann wahlweise Jungen- oder Mdchennamen auswhlen
- Das Programm macht 10 Vorschlge
- Verwende als Liste mglicher Vornamen eine Datei aus dem US-Datensatz
Das Projekt besteht darin, eine eigene Webseite zu entwickeln und im Netz zu verffentlichen. Das Django Girls Tutorial bietet eine ausgezeichnete Anleitung.
Die Webseite ist ber einen Browser erreichbar.
Server-Programmierung, HTML, Deployment
Django oder Bottle
Parsing HTML pages.
Beautiful soup is much, much easier to use than the default HTML parser installed with Python.
no
no
pip install bs4Parsing list items out of a HTML document:
from bs4 import BeautifulSouphtml = """HamletHamletPoloniusOpheliaClaudius
Where to learn more?http://www.crummy.com/software/BeautifulSoup/bs4/doc/
Read and write comma-separated-value (CSV) files.
The csv module reads and writes nested lists from/to CSV files. You can set a field delimiter, quote character and line terminator character. Note that when reading a line, all columns are in string format.
yes
Write a table with two rows to a CSV file:
import csvdata = [["first", 1, 234], ["second", 5, 678]]outfile = open('example.csv', 'w')writer = csv.writer(outfile, delimiter=';', quotechar='"')writer.writerows(data)outfile.close()Read the file again:
for row in csv.reader(open('example.csv'), delimiter=';'): print(row)['first', '1', '234']['second', '5', '678']https://docs.python.org/3/library/csv.html
berprfe mit einem Python-Programm, ob die Suchmaschine Google funktioniert.
Lade die Webseite www.google.de mit Python herunter.
Extrahiere den Titel der Seite aus dem HTML-Dokument und gib ihn auf dem Bildschirm aus.
Fhre eine Google-Suche aus Python durch. Recherchiere in der Dokumentation zum Modul requests danach, wie Du ein Formular ber ein POST-request ausfllen kannst.
Gib die Suchergebnisse auf dem Bildschirm aus.
- Das Modul
requestshilft beim Vorbereiten der Suchanfrage. - Das Formular verwendet HTTP POST.
- Es gibt im Formular mindestens ein 'hidden'-Feld, das Du angeben mut.
(c) 2016 Dr. Kristian Rother (krother@academis.eu)
Distributed under the conditions of the Creative Commons Attribution Share-alike License 4.0
Sources of this document can be found on https://github.com/krother/Python3_Module_Examples
This e-book contains my favourite Python modules. Every module comes with a brief description and a code example.
This document is for you if:
- you know a little bit of Python already
- you would like to know what Python modules are there
- you find the amount of Python modules overwhelming
- you find the full documentation too heavy to begin
- you would like to try a few simple examples
Have fun getting to know Python better!
| Challenge | Kurzbeschreibung | Rating |
|---|---|---|
| Zeichne eine Spirale | sehr leicht | |
| Zeichne eine Postkarte | leicht | |
| Erzeuge Thumbnails von Bildern | mittel | |
| Zeichne rekursive Bilder | mittel | |
| Drehe einen kurzen Film | schwer |
| Challenge | Kurzbeschreibung | Rating |
|---|---|---|
| Erzeuge zufllige Babynamen | leicht | |
| Suche Muster in Text | mittel | |
| Fhre eine Google-Suche durch | mittel | |
| Lade Webseiten herunter | mittel |
| Challenge | Kurzbeschreibung | Rating |
|---|---|---|
| Erstelle einen einfachen Bottle-Webserver | mittel | |
| Erstelle eine Blog-Webseite mit Django | schwer |
I have a big collection of photographs, and would like to search them. I have written a up keywords for each photograph in text files, e.g. 'flower', 'beach', 'mountain'* etc. Now I need a program that can find all photographs for a given keyword.
The program should create a big picture that shows thumbnail images 100 pixels wide, like in the image below.*
Rick Closeview , hobby photographer
Implement a program according to the problem description. The following steps may be helpful:
Dissect the problem into at least three separate sub-problems. Write them down on paper (cards or a single sheet). Try to be as precise as possible. Answer resulting questions.
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