Python bin() Function

Python Built In Function Bin()

This is a detailed tutorial of Python bin() Function. Learn to convert an integer or another Python Object to its binary equivalent string.

Python bin() Function

The bin() built-in method is used to convert an integer into its binary equivalent. This method can also convert any other Python Object into its binary equivalent as well but for such a case, you need to make use of the __index__() method additionally.

Syntax

bin() Parameters

The bin() function takes only an integer number as the parameter. Providing any other data type except an integer will raise an error. You can also provide other python objects as the parameter but make sure that class that belongs to that particular object should contain the __index__() method that returns an integer value.

This way, whenever the object whose class containing the __index__() method returning an integer will be provided as an argument, actually, the integer value returned is passed as the argument.

The error that is being raised if the provided argument is not a valid integer is TypeError exception that will state that the provided argument type is not interpreted as an integer.

bin() Return Value

This method returns the binary equivalent of the provided integer as the argument. If the provided integer is another Python object than the integer, then it returns the binary equivalent of the returned integer value by the __index__() method of the class of that object.

Examples

The first example simply converts an integer into its binary equivalent using the bin() method while the second example illustrates the concept of using the __index__() method to return an integer value for a particular python class and object.

Example 1. Integer Number To Binary Conversion

The above code snippet illustrates the conversion of the binary number 52 into its binary equivalent string.

Python Integer To Binary Conversion Example Using Bin() Function

Example 2. Python Objects To Binary Conversion using __index__() Method

In the above code snippet, we’ve defined a class TotalMarks and then inside this class, we’ve defined the __index__() method and it returns an integer which is simply the total of all of the subjects marks.

Then I’ve first used the print() statement to show that the TotalMarks() is an object and then we’re passing this as an argument to the bin() function.

Python Objects To Binary Equivalent Conversion Using The Built In Method Bin() Example

I hope you found this guide useful. If so, do share it with others who are willing to learn Python. If you have any questions related to this article, feel free to ask us in the comments section.

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