CODEWITHSUNDEEP
pythonstringformatting
Boosted_d16
Boosted_d16

Reputation: 14062

'IndexError: tuple index out of range' whith str.format

What am I doing wrong?

print('script executed in {time}{1:.2f} seconds'.format(time=elapsed_time))

I get:

IndexError: tuple index out of range

Expected output:

script executed in 0.12 seconds

Upvotes: 5

Views: 9632

Answers (2)

Cory Kramer
Cory Kramer

Reputation: 117856

You can just do

>>> 'script executed in {:.2f} seconds'.format(elapsed_time)
'script executed in 0.12 seconds'

In your original code, you have two {} fields, but only gave one argument, which is why it gave the "tuple index out of range" error.

Upvotes: 2

user2555451
user2555451

Reputation:

You created two format fields:

print('script executed in {time}{1:.2f} seconds'.format(time=elapsed_time))
#                         ^1    ^2

but only gave one argument to str.format:

print('script executed in {time}{1:.2f} seconds'.format(time=elapsed_time))
#                                                       ^1

You need to have the number of format fields match the number of arguments:

print('script executed in {time:.2f} seconds'.format(time=elapsed_time))

Upvotes: 10

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