CODEWITHSUNDEEP
python
user3170455
user3170455

Reputation: 21

How to convert a list of numbers to a refromatted string

How to convert a list of numbers to a refromatted string.

I am new to the list and have seen simple Python type programming that can be executed in a simple text editor.

I have a List of numbers and would like to convert to list to a string of number with some additions.

i.e.

numbers

1234
1235
1236
1237

change to:

"1234.ARD" "1235.ARD" "1236.ARD" "1237.ARD"

If this is at all possible please let me know.

Thanks in advance.

Upvotes: 2

Views: 152

Answers (2)

user2555451
user2555451

Reputation:

What you want the output to be isn't exactly clear (is it a list of strings or a single string?).

Regardless, I'll give both solutions and you can pick whichever you want:

>>> lst = [1234, 1235, 1236, 1237]
>>> print (["{}.ARD".format(x) for x in lst]) # List of strings
['1234.ARD', '1235.ARD', '1236.ARD', '1237.ARD']
>>>
>>> print (" ".join(['"{}.ARD"'.format(x) for x in lst])) # Single string
"1234.ARD" "1235.ARD" "1236.ARD" "1237.ARD"
>>>

The important concepts here are:

  1. A list comprehension

  2. str.format

  3. str.join

Upvotes: 2

user35147863
user35147863

Reputation: 2605

Use string formatting and a list comprehension:

In [1]: numbers = [1234, 1235, 1236, 1237]

In [2]: ['%s.ARD' % n for n in numbers]
Out[2]: ['1234.ARD', '1235.ARD', '1236.ARD', '1237.ARD']

Upvotes: 3

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