TypeError when using format string [duplicate]

Question

Note: I searched for an answer on this site, but none of them helped me.

**TypeError: not enough arguments for format string**

So hi, and this is my first hour learning python. I decided to try out what I know already and wrote a code, but an error occurs with this line:

print("'%s' hired '%s' as troop in his first slot." % name, slot1)

I don't think you were searching in the right way. Simply putting the error message into google gives many SO answers, and each of the first three explains the problem. — DSM
– DSM, Commented Feb 14, 2015 at 17:48
keep your question shorter. It was better before you dumped all of the code. — Ryan Haining
– Ryan Haining, Commented Feb 14, 2015 at 17:49

Ryan Haining · Accepted Answer · 2015-02-14 17:53:51Z

3

You have to provide a tuple argument to the string, otherwise it's only going to take the first thing. when you have:

'%s %s' % a, b

it's parsed similarly (but not exaclty) like

('%s %s' % a), b

meaning the b isn't part of the argument to the % operator. To fix this, parenthesize a and b to give a single tuple argument instead

'%s %s' % (a, b)

In your specific case

"'%s' hired '%s' as troop in his first slot." % (name, slot1)

Though you may want to consider the newer python format syntax

"'{}' hired '{}' as troop in his first slot.".format(name, slot1)

answered Feb 14, 2015 at 17:53

Ryan Haining

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Bhargav Rao · Accepted Answer · 2015-02-14 17:46:09Z

1

The print statement must be

print("'%s' hired '%s' as troop in his first slot." % (name, slot1))

answered Feb 14, 2015 at 17:46

Bhargav Rao

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2 Comments

Marked as Duplicate Over a year ago

I'm a bit confused, so on that line I did need to use like this: print("'%s' hired '%s' as troop in his first slot." % (name, slot1)) But on other lines I used the code like this, and no error came: print("Slots left: %s" % slotamount) What is the difference, when to use which?

Bhargav Rao Over a year ago

@LeDirt When you have a single variable, you don't need to use tuple, whenever there are multiple, you need to put them in a tuple.

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