Text file empty after using .write()

Question

I'm a beginner at python and im just trying to do some simple file I/O questions.

I wrote this code:

sentence=input("give a sentence:")
f=open("wordsOnLine.txt",'w')
f.write(sentence)
f.close

I just want a sentence that a user inputs to be saved in a text file. I was going to use that file for a different part of the question, but after running the code, inputting a test sentence, and checking the file, it's just empty. I didn't get any errors either.

Idk what im doing wrong. Any help would be appreciated. Thanks in advance.

f.close is a method so you need to give it () like so: f.close() — Alfie
– Alfie, Commented May 27, 2020 at 15:45
Ah thanks. IDK why i didnt catch that after looking over it so many times lol — Atrocitas
– Atrocitas, Commented May 27, 2020 at 15:47
@Alfie You're right, but the file would close automatically when the program exits, so that likely isn't the problem here. — John Gordon
– John Gordon, Commented May 27, 2020 at 15:47

ilyankou · Accepted Answer · 2020-05-27 15:47:47Z

2

Either add parenthesis like f.close(), or use with: (a more common approach).

sentence=input("give a sentence:")

with open("wordsOnLine.txt",'w') as f:
    f.write(sentence)

In your case,

sentence=input("give a sentence:")
f=open("wordsOnLine.txt",'w')
f.write(sentence)
f.close()

edited May 27, 2020 at 15:47

answered May 27, 2020 at 15:46

ilyankou

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1 Comment

John Gordon Over a year ago

If you're using with, you don't need close().

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