Guidance with f-string formatting documentation

Question

I'm currently playing around with f-strings more and trying to figure out how to do things like

# Depth and decimal format
f"string text {var: #.#f}"

# Alignment format
f"string text {var: < #}"

I know that is how you would do a depth, decimal, and alignment format for a variable, but how would one format the string text and variable together? Such as

f"num = {dartsThrown: < 10d}"

print((f"num ={dartsThrown: < 10d}  Calculated PI = {computePI(dartsThrown):.6f}   "
       f"Difference = {differencePI:+0.6f}"))

how do you combine f-string formatting to both 'num = ' and {var}

Would I have to store it into a variable itself?

numVariable = 'num = ' + dartsThrown

f"{numVariable: < ##d}"

or is there another way to do it?

Do you mean combine the two together?

Prayson W. Daniel
– Prayson W. Daniel

2020-10-18 05:17:22 +00:00
Commented Oct 18, 2020 at 5:17 — Prayson W. Daniel
– Prayson W. Daniel, Commented Oct 18, 2020 at 5:17
Yes, I believe.

brandonknola
– brandonknola

2020-10-18 19:14:22 +00:00
Commented Oct 18, 2020 at 19:14 — brandonknola
– brandonknola, Commented Oct 18, 2020 at 19:14

blhsing · Accepted Answer · 2020-10-18 05:23:01Z

1

You can put the alignment specification before the width specification, per the documentation of the Format Specification Mini-Language:

>>> var=1.23
>>> f'{var:<8.1f}'
'1.2     '
>>>

answered Oct 18, 2020 at 5:23

blhsing

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1 Comment

brandonknola Over a year ago

I just updated my question to be more clear, but thanks for the help.

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