Reversing bits of Python integer

by 
int('{:08b}'.format(n)[::-1], 2)

You can specify any filling length in place of the 8. If you want to get really fancy,

b = '{:0{width}b}'.format(n, width=width)
int(b[::-1], 2)

lets you specify the width programmatically.

More Related Contents:

  1. a pythonic way of doubling consecutive binary bits [closed]
  2. Bitwise operation and usage
  3. ‘and’ (boolean) vs ‘&’ (bitwise) – Why difference in behavior with lists vs numpy arrays?
  4. Generate random integers between 0 and 9
  5. Converting integer to string in Python
  6. How do you round UP a number?
  7. The `is` operator behaves unexpectedly with non-cached integers
  8. Converting integer to binary in python
  9. Convert floats to ints in Pandas?
  10. How can I check if a string represents an int, without using try/except?
  11. bit-wise operation unary ~ (invert)
  12. Why (0-6) is -6 = False? [duplicate]
  13. RGB Int to RGB – Python
  14. Convert integer to string in Python
  15. Safest way to convert float to integer in python?
  16. converting a list of integers into range in python
  17. How do you express binary literals in Python?
  18. How to convert a string of space- and comma- separated numbers into a list of int? [duplicate]
  19. Splitting List That Contains Strings and Integers
  20. How do I check if raw input is integer in python 2.7?
  21. Is & faster than % when checking for odd numbers?
  22. Is there a built-in or more Pythonic way to try to parse a string to an integer
  23. Convert all strings in a list to integers
  24. Reading integers from binary file in Python
  25. Round a floating-point number down to the nearest integer?
  26. Two’s Complement Binary in Python?
  27. How can I convert string values from a dictionary, into int/float datatypes?
  28. Convert a number to a list of integers [duplicate]
  29. Python: Set Bits Count (popcount) [duplicate]
  30. How do I add together integers in a list (sum a list of numbers) in python?

Leave a Comment