File Access

Read Accessing Data before you start with the exercises.

Lower Case Copy

Read some text file’s content, convert it to lower case and save it to a new text file.

Solution:

# your solution

Reading CSV Files

Get a CSV file containing all public trees at Chemnitz from the Open data portal of Chemnitz. Read the first 10 lines from the file and show them on screen.

Hint: If you encounter cumbersome symbols in the output, have a look at byte order marks at Wikipedia.

Solution:

# your solution

Reading ZIP files

Get ‘The Blog Authorship Corpus’ from the web. The original source https://u.cs.biu.ac.il/~koppel/BlogCorpus.htm vanished in 2022. Use https://www.fh-zwickau.de/~jef19jdw/datasets/blogs.zip. The ZIP file contains an info.txt file and the original ZIP file.

Read infos.txt to get information about the file name format used in the ZIP file.

Write a Python program which extracts all 5 features from the file names and saves them in a CSV file.

Solution:

# your solution

Reading XML Files

Open the file 7596.male.26.Internet.Scorpio.xml from ‘The Blog Authorship Corpus’ (see exercise above) without extracting it explicitly. Print the first and the last post in the file to screen.

Solution:

# your solution