Print multiple line string in Jupyter notebook

Question

I'm trying to print a multiple line string to a Jupyter notebook. The problem is that \r and \n are printed literally and not interpreted as newlines.

Example:

import os
os.linesep.join(['first line', 'second line'])

I would expect this to print:

first line
second line

But it prints:

first line\r\nsecond line

Adding to @juanpa.arrivillaga,in python3, don't forget to include brackets to while printing or you will get an error. — bigbounty
– bigbounty, Commented May 7, 2017 at 18:36

vishes_shell · Accepted Answer · 2017-05-07 18:34:14Z

10

You need to actually print it.

import os
print(os.linesep.join(['first line', 'second line']))

answered May 7, 2017 at 18:34

vishes_shell

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7 Comments

blokeley Over a year ago

The Jupyter notebook automatically prints the last statement in each cell. Why does this not respect newlines but print() does?

vishes_shell Over a year ago

@blokeley it shows the value, but if you want special symbols to appear, such as '\n' then you need to print.

BrenBarn Over a year ago

@blokeley: No, it doesn't (not exactly), and yes you do. The notebook displays the repr of the last value, but print uses str, which is the difference you're seeing.

blokeley Over a year ago

OK thanks all for drawing the distinction. It's strange that pandas output prints OK with multiple lines. Hmmm

BrenBarn Over a year ago

@blokeley: The repr of a dataframe is a string with some newlines in it. The repr of a string with a newline in it is a string with a blackslash in it. What you get when you display the pandas value is the repr of the DataFrame, not the repr of the string that is the repr of the DataFrame.

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