Python: Split Integers and Strings in Lists

Question

>>>list = []
>>>stringsandnumbers = input('Enter in the values. For example, "A=3,B=2,C=1,D=5"... ').split(',')
>>>list.append(stringsandnumbers)
>>>list.sort()
>>>print(list)

[[A=3,B=2,C=1,D=5]]

The problem with this is that it is not sorting the list from min to max. I'm not sure if splitting/separating it would be a good idea or if there's a way to just sort the numbers from the list? Any help would be appreciated.

You appear to be creating a list with a single string in it - how do you expect to sort that?! You will need to parse the input into some usable format. — jonrsharpe
– jonrsharpe, Commented Sep 14, 2015 at 16:41

Avinash Raj · Accepted Answer · 2015-09-14 16:44:28Z

2

Think you mean this,

>>> s = "A=3,B=2,C=1,D=5"
>>> sorted(s.split(','), key = lambda m: int(m.split('=')[1]))
['C=1', 'B=2', 'A=3', 'D=5']
>>> ','.join(sorted(s.split(','), key = lambda m: int(m.split('=')[1])))
'C=1,B=2,A=3,D=5'

answered Sep 14, 2015 at 16:44

Avinash Raj

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2 Comments

Edward Over a year ago

This is what I get: AttributeError: 'list' object has no attribute 'split'

Avinash Raj Over a year ago

you could apply the split function only on string not in list.

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