Running commands from Powershell

Question

I am a beginner in Python and am learning via online tutorials. On Study Drill #6 for example 15 on this page, I'm trying to open up the 'ex15_sample.txt' file that I have created and exists.

This is what it says to do:

Start 'python' to start the Python shell, and use 'open' from the prompt just like in this program. Notice how you can open files and run 'read' on them from within 'python'?

In the command prompt, I entered python to start the Python shell and have tried typing in the following, which threw me an error:

open(ex15_sample.txt)

The error I get is:

Traceback (most recent call last): File "<stdin>", line 1, in <module> NameError: name 'ex15_sample' is not defined

ex15_sample.txt is a file that exists in the same folder. How am I supposed to use open or any other command from the prompt? I am running Python 2.7.8 on Powershell, by the way.

tripleee · Accepted Answer · 2023-08-29 05:57:30Z

2

The first argument of open is a string containing the filename.

Just put the file name in quotation marks:

f = open('ex15_sample.txt')

edited Aug 29, 2023 at 5:57

tripleee

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answered Nov 11, 2014 at 20:53

Hasan Ramezani

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2 Comments

J82 Over a year ago

Ok, I did that and it didn't open but it threw me this: <open file 'ex15_sample.txt', mode 'r' at 0x0000000001F54150>

Hasan Ramezani Over a year ago

that means file is open , you can put it in a variable an work with it. please read this link. check my edit.

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