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Python Format Specifier for Thousands Separator

clavinjune profile image Clavin June Originally published at clavinjune.dev on ・1 min read

Photo by @volkanolmez on Unsplash

I hate to say this, but I forgot this one-liner syntax in my online coding test. So, I think I need to put this here.

format = lambda n: '{:,}'.format(n)
print(format(-1234567890)) # -1,234,567,890
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