How can I format a list to print each element on a separate line in python?

Question

How can I format a list to print each element on a separate line? For example I have:

mylist = ['10', '12', '14']

and I wish to format the list so it prints like this:

10
12
14

so the \n, brackets, commas and '' is removed and each element is printed on a separate line Thanks

score 129 · Answer 1 · 2012-11-19T01:16:28.567

129

Embrace the future! Just to be complete, you can also do this the Python 3k way by using the print function:

from __future__ import print_function  # Py 2.6+; In Py 3k not needed

mylist = ['10', 12, '14']    # Note that 12 is an int

print(*mylist,sep='\n')

Prints:

10
12
14

Eventually, print as Python statement will go away... Might as well start to get used to it.

edited Nov 19 '12 at 01:16

answered Nov 18 '12 at 19:43

1

This answer is cool and its ease included in the usual print statement rather than in loops. – Rajesh Mappu Oct 09 '17 at 18:34
Brilliant! I never thought of unpacking a list in the context of `print()`. I've long wondered how to implement this in a simple way. Much prefer this to looping or calling `str` functions. – Karl Baker Feb 27 '19 at 01:41
why is the * necessary here before `mylist`? – Pstr Apr 12 '19 at 01:35
even if I removed `sep` parameter the items were being displayed in new lines. But removing `*` made list printing inline. Why so? – Verma Aman Jul 18 '19 at 08:37
1

@Pstr [Check this out](https://medium.com/understand-the-python/understanding-the-asterisk-of-python-8b9daaa4a558) – Verma Aman Jul 18 '19 at 08:57
This should have been the accepted answer. Brilliant! +1 – harvpan Dec 04 '19 at 17:21

inspectorG4dget · Answer 2 · 2015-12-06T06:50:10.950

62

In [27]: mylist = ['10', '12', '14']

In [28]: print '\n'.join(mylist)
10
12
14

edited Dec 06 '15 at 06:50

answered Nov 18 '12 at 19:14

inspectorG4dget

11

As inspectorG4dget said, this require every element to be `str`. A simple workaround would be `print '\n'.join(map(str, myList))`. – jeromej Nov 18 '12 at 19:54
this should be accepted as correct answer, it is far better than doing a loop – Sergey Antopolskiy Mar 02 '18 at 11:37
1

@SergeyAntopolskiy I wonder if doing a loop is actually that bad. The loop just reads the values and outputs them. Whereas the join results in the creation of a new string in the memory containing all the values and then prints it out. That could result in a performance penalty for long lists IMO. – Jigarius Mar 10 '18 at 02:07
@JigarMehta you may have a point there. at least, this should be accepted as *a* correct answer, if not *the* correct answer – Sergey Antopolskiy Mar 10 '18 at 14:03

score 40 · Accepted Answer · answered Nov 18 '12 at 19:16

40

You can just use a simple loop: -

>>> mylist = ['10', '12', '14']
>>> for elem in mylist:
        print elem 

10
12
14

answered Nov 18 '12 at 19:16

Rohit Jain

2

This would actually work better than `str.join` which expects each element to be a `str`. – inspectorG4dget Nov 18 '12 at 19:16
@inspectorG4dget Thank to notice, see my comment below for a workaround using `str.join` even without all elements being `str`. – jeromej Nov 18 '12 at 19:56

3 Answers3