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Python File I/O: Remove newline characters from a file

Python File I/O: Exercise-17 with Solution

Write a Python program to remove newline characters from a file.

Sample Solution:

Python Code:

def remove_newlines(fname):
    flist = open(fname).readlines()
    return [s.rstrip('\n') for s in flist]

print(remove_newlines("test.txt"))

Sample Output:

['Welcome to w3resource.com.', 'Append this text.Append this text.Append this text.', 'Append this text.', 'Ap
pend this text.', 'Append this text.', 'Append this text.'] 

Flowchart:

Flowchart: File I/O: Remove newline characters from a file.

Python Code Editor:

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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.']