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I'm trying to convert numbers into binary strings with a specified length in python. In my function, the length N is a variable, so I tried f'{3:Nb}', where 3 is just some random numbers. However, it returns ValueError: Invalid format specifier. Is there a way I can include the variable in this string formatting mini-language? Thanks!

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    try this: f'{3:{N}b}' Commented Jan 14, 2022 at 5:16
  • @HIMANSHU PANDEY Thank you! Commented Jan 14, 2022 at 5:21
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