w3resource

Python File I/O: Extract characters from various text files and puts them into a list

Python File I/O: Exercise-19 with Solution

Write a Python program to extract characters from various text files and puts them into a list.

words1.txt
Welcome to the Python Wiki, a user-editable compendium of knowledge
based around the Python programming language. Some pages are protected
against casual editing - see WikiEditingGuidelines for more information
about editing content.
words2.txt
Python is a great object-oriented, interpreted, and interactive
programming language. It is often compared (favorably of course :-) )
to Lisp, Tcl, Perl, Ruby, C#, Visual Basic, Visual Fox Pro, Scheme or Java...
and it's much more fun.

Sample Solution:

Python Code:

import glob
char_list = []
files_list = glob.glob("*.txt")
for file_elem in files_list:
   with open(file_elem, "r") as f:
       char_list.append(f.read())
print(char_list)

Sample Output:

["Python is a great object-oriented, interpreted, and interactive\nprogramming language. It is often compared (favorably of course :-) )\nto Lisp, Tcl, Perl, Ruby, C#, Visual Basic, Visual Fox Pro, Scheme or Java...\nand it's much more fun.", 'Welcome to the Python Wiki, a user-editable compendium of knowledge\nbased around the Python programming language. Some pages are protected\nagainst casual editing - see WikiEditingGuidelines for more information\nabout editing content.\n']

Flowchart:

Flowchart: File I/O: Extract characters from various text files and puts them into a list.

Python Code Editor:

Have another way to solve this solution? Contribute your code (and comments) through Disqus.

Previous: Write a Python program that takes a text file as input and returns the number of words of a given text file.
Next: Write a Python program to generate 26 text files named A.txt, B.txt, and so on up to Z.txt.

What is the difficulty level of this exercise?

Test your Programming skills with w3resource's quiz.



Share this Tutorial / Exercise on : Facebook and Twitter

Python: Tips of the Day

Split a String:

>>> sentence = 'this is, a python, tutorial, about, idioms.'
>>> sentence.split(', ')
['this is', 'a python', 'tutorial', 'about', 'idioms.']
>>> sentence.split(', ', 2)
['this is', 'a python', 'tutorial, about, idioms.']
>>> sentence.rsplit(', ')
['this is', 'a python', 'tutorial', 'about', 'idioms.']
>>> sentence.rsplit(', ', 2)
['this is, a python, tutorial', 'about', 'idioms.']