Exercises, examples and other material relating to training module Y110. This topic is presented on public courses
Learning to program in Python,
Python Programming
Python Programming - The fundamentals in depth, and an introduction to applications such as GUI design and Data Munging.
This course starts at the fundamentals ... http://www.wellho.net/course/ypfull.html [course] |
Learning to Program in Python - The fundamentals in depth, and an introduction to applications such as GUI design and Data Munging.
This course starts ... http://www.wellho.net/course/ylfull.html [course] |
When you open a file for read, you create a "file pointer" which knows where in the file you are, and each time you read from the file this advances so ... http://www.wellho.net/mouth/1442_Rea ... nters.html [short article] |
#!/usr/local/bin/python
import sys
import time
havevalue = 0
while havevalue < 1:
try:
table = input("What table to you want? ... http://www.wellho.net/resources/ex.php4?item=y110/tablog.py [code sample] |
In both Ireland and the UK, the Ordnance survey divides down the country into a series of lettered 100km x 100km squares, represented by 1 letter (Ireland) ... http://www.wellho.net/mouth/2011_Con ... hings.html [short article] |
If I need a little utility and I'm running a Perl course, then I'll write it in Perl. Training in Tcl ... then that's the scripting language to use for ... http://www.wellho.net/mouth/183_The- ... ython.html [short article] |
import os
import os.path
import time
# Build up a dictionary of timestamps
content = {}
for item in os.listdir('.'):
content[item] = os.path.getmtime(item)
... http://www.wellho.net/resources/ex.php4?item=y110/pinorder.py [code sample] |
How to open a file in Python and how to read it line by line into a string, or all at once, into a list. Also how to overwrite a file or add to an existing file, and how to check existing files on your file system.
This topic is presented on public courses
Learning to program in Python,
Python Programming
Examples from our training material
| coster.py | Read whole file, report on lines matching a pattern |
| costhuge.py | Reading a file line by line |
| dmoz.py | Parsing a large file, looking for matching lines |
| dsa | polymorphism in action |
| fff | Jumping around an input file (random access) |
| fgfg | Improved version - program to handle data recently appended to a log file |
| filechex | File checks - is it a directory, when was it modified |
| grabpage.py | Read from a URL as is reading from a file |
| lost.py | Trapping a non-existant file error |
| n2 | Find the title of a web site |
| pinorder.py | List a directory sorted by age of object |
| pstat.py | Checking whether a file exists, and things about it ... |
| tablog.py | File overwrite and append in python |
Pictures
Writing a Python program
Background information
Some modules are
available for download as a sample of our material or under an
Open Training Notes License for free download from
http://www.training-notes.co.uk.
Topics covered in this module
Opening and reading from files.
Writing files.
File system checks.
Reading a web page.
Complete learning
If you are looking for a complete course and not just a information on a single subject, visit our
Listing and schedule page.
Well House Consultants specialise in training courses in
Python,
Perl,
PHP, and
MySQL. We run
Private Courses throughout the UK (and beyond for longer courses), and
Public Courses at our training centre in Melksham, Wiltshire, England.
It's surprisingly cost effective to come on our public courses -
even if
you live in a different
country or continent to us.
We have a technical library of over 700 books on the subjects on which we teach.
These books are available for reference at our training centre. Also
available is the Opentalk
Forum for discussion of technical questions.