Difference between double and single quotes

[Erik Max Francis]

pauljolly at my-deja.com wrote:

> Please can someone tell me whether Python distinguishes between double
> and single quotes in any way? This was brought to my attention by a
> friend who queried my use of double and single quotes, saying that in
> the UNIX shell a distinction is made.

They're both interchangeable.  They're used to help with quoting of the
quotes themselves, viz.:

    '"Buk," said the duck.'
    "There's a duck here."

Specifically, in Python the quotes are not used to determine whether
variables are embedded in strings, as they are in shell scripting or
Perl or some other languages; Python does not embed variables that way.

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