Trying to reverse the values of a dictionary.

[jettam]

This command sorts the values of my dictionary into a numerical order.  I now would like to reverse that numerical order. I can see there is a command called .reverse() that I should be able to include. 

But I have tried all kinds of ways to include it, I just cant get it to work. Could someone advise of the correct syntax. 

wordFrequencey = { 'ARE': 1, 'ART': 2, 'AS': 8, 'AT': 3, 'ATTEMPT': 2, 'AVERSION': 4, 'AWARE': 1, 'AWARENESS': 1}

order = sorted(wordFrequencey.values())

[Marcus Ottosson]

Have a look at the doc for sorted, it’s got an argument for just the occasion.

https://docs.python.org/2/library/functions.html#sorted

​

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[jettam]

Thanks. so the syntax is:   order = sorted(wordFrequencey.values(),reverse=True)  

[Marcus Ottosson]

For completeness, the .reverse() method you tried is an “in-place” operator. Meaning it does reverse a list, but does so by modifying the list you call it on, rather than return a new list.

It’s a subtle but important thing.

l = [1, 2, 3]
assert l[0] == 1
l.reverse()
assert l[0] == 3
l = l.reverse()
assert l == None

Then there’s reversed too.

l = reversed([1, 2, 3])
l[0]
# ERROR, it's an "iterator"
l = list(l)
assert l[0] == 3

​

On 26 September 2017 at 17:41, jettam <justin...@gmail.com> wrote:

Thanks. so the syntax is:   order = sorted(wordFrequencey.values(),reverse=True)  

On Tuesday, September 26, 2017 at 9:29:54 AM UTC-7, Marcus Ottosson wrote:

Have a look at the doc for sorted, it’s got an argument for just the occasion.

https://docs.python.org/2/library/functions.html#sorted

​

On 26 September 2017 at 17:04, jettam <justin...@gmail.com> wrote:

This command sorts the values of my dictionary into a numerical order.  I now would like to reverse that numerical order. I can see there is a command called .reverse() that I should be able to include. 

But I have tried all kinds of ways to include it, I just cant get it to work. Could someone advise of the correct syntax. 

wordFrequencey = { 'ARE': 1, 'ART': 2, 'AS': 8, 'AT': 3, 'ATTEMPT': 2, 'AVERSION': 4, 'AWARE': 1, 'AWARENESS': 1}

order = sorted(wordFrequencey.values())

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