Python 3.2: How to pass a dictionary into str.format()

Question

I've been reading the Python 3.2 docs about string formatting but it hasn't really helped me with this particular problem.

Here is what I'm trying to do:

stats = { 'copied': 5, 'skipped': 14 }
print( 'Copied: {copied}, Skipped: {skipped}'.format( stats ) )

The above code will not work because the format() call is not reading the dictionary values and using those in place of my format placeholders. How can I modify my code to work with my dictionary?

Possible duplicate of https://stackoverflow.com/questions/5952344/how-do-i-format-a-string-using-a-dictionary-in-python-3-x — Frank, May 16 '19 at 20:17

score 67 · Accepted Answer · answered Jun 26 '11 at 23:52

67

This does the job:

stats = { 'copied': 5, 'skipped': 14 }
print( 'Copied: {copied}, Skipped: {skipped}'.format( **stats ) )  #use ** to "unpack" a dictionary

For more info please refer to:

answered Jun 26 '11 at 23:52

pawroman

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Why did this one get less up-votes? It has more information (links to docs) and a better example. – void.pointer Jun 27 '11 at 14:49

score 16 · Answer 2 · answered Jun 26 '11 at 23:47

16

you want .format(**stats) as that makes stats part of format's kwargs.

answered Jun 26 '11 at 23:47

Dan D.

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Python 3.2: How to pass a dictionary into str.format()

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