I have a list of strings but I want to make single double quotes before and after each string. If I have the list

```
words = ['abc', 'acd', 'edf']

```

I want to change it to:

```
words = [''abc'', ''cdf'', ''edf'']

```

How can I do it with list comprehension or other method? I want two sets of single quotation marks. I want this to pass to redshift to unload the query result to s3. <https://docs.aws.amazon.com/redshift/latest/dg/r_UNLOAD.html>