Python: Converting from Tuple to String?

Question

let's say that I have string:

    s = "Tuple: "

and Tuple (stored in a variable named tup):

    (2, a, 5)

I'm trying to get my string to contain the value "Tuple: (2, a, 5)". I noticed that you can't just concatenate them. Does anyone know the most straightforward way to do this? Thanks.

Bi Rico · Accepted Answer · 2012-03-01 22:55:27Z

34

This also works:

>>> s = "Tuple: " + str(tup)
>>> s
"Tuple: (2, 'a', 5)"

answered Mar 1, 2012 at 22:55

Bi Rico

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1 Comment

Jacob Griffin Over a year ago

Yes, this is definitely the most straightforward way!

Jack · Accepted Answer · 2012-03-01 22:49:00Z

11

Try joining the tuple. We need to use map(str, tup) as some of your values are integers, and join only accepts strings.

s += "(" + ', '.join(map(str,tup)) + ")"

answered Mar 1, 2012 at 22:49

Jack

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Comments

Fred · Accepted Answer · 2012-03-01 22:48:52Z

7

>>> tup = (2, "a", 5)
>>> s = "Tuple: {}".format(tup)
>>> s
"Tuple: (2, 'a', 5)"

answered Mar 1, 2012 at 22:48

Fred

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5 Comments

Jacob Griffin Over a year ago

Why does the {} need to be in there?

Jacob Griffin Over a year ago

For instance, what if I just wanted it to be "Tuple (2, a, 5)" instead of "Tuple: (2, a, 5)" with a colon?

Fred Over a year ago

@JacobGriffin, use a format string --> docs.python.org/library/stdtypes.html#str.format, try the code

Crast Over a year ago

The {} is a format specifier, look up how python string formatting works. It means to interpolate a passed argument to the string. Since there's only one of these, it specifically means the first argument.

Jacob Griffin Over a year ago

Thanks, user :) Thank you Crast

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