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Python | bin method
schedule Aug 12, 2023
Last updated local_offer
Tags Python
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Python's bin(~) method converts an integer number to a binary string prefixed with “0b”. If the provided input is not an integer, it must implement a __index__() method to return an integer.
Parameters
1. x | integer
The integer number to convert to binary string.
Return value
The converted binary string of the integer prefixed with "0b".
Examples
Basic usage
To return the binary string for 6:
bin(6)
'0b110'
Note that "0b" just indicates that it is a binary string.
__index__() method
To use bin(~) method with input that implements __index__() method:
class score: james = 2 sally = 4 tom = 3 def __index__(self): return self.james + self.sally + self.tombin(score())
'0b1001'
We provide an instance of score class as input to the bin(~) method. Although the instance itself is not an integer, as it returns an integer (sum of james + sally + tom) which in this case is 9, bin(~) returns the binary string for 9.
TypeError
If we provide input other than an integer:
bin('Hi')
TypeError: 'str' object cannot be interpreted as an integer
Published by Arthur Yanagisawa
Edited by 0 others
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Official Python Documentation
https://docs.python.org/3/library/functions.html#bin
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