Meaning of f{col :-<50}

Question

I was making a project and then came across this bit of code, i would like to know what is the meaning of the f'{col:-<50}

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I have also attached the output of the code, i know that above one is a f statement but am not able to decode it for the specific part.

Answer 1

Your code format the value of col (here column name) by alignment with width of 50 characters, padding remaining characters left with -, in another words for nicer formating.

col = 'class'
print ( f'{col:-<50}')
class---------------------------------------------