Python oct() Function Last Updated : 30 Nov, 2023 Comments Improve Suggest changes Like Article Like Report Python oct() function takes an integer and returns the octal representation in a string format. In this article, we will see how we can convert an integer to an octal in Python. Python oct() Function SyntaxSyntax : oct(x) Parameters: x - Must be an integer number and can be in either binary, decimal or hexadecimal format.Returns : octal representation of the value. Errors and Exceptions: TypeError : Raises TypeError when anything other than integer type constants are passed as parameters.How oct() Function in Python works?In this example, we are using oct() to convert an integer to octal in Python. Like we have returned the octal representation of 10 here. Python3 print(oct(10)) Output0o12Example 1: Converting Binary and Hexadecimal Value Into Octal ValueIn this example, we are using oct() to convert numbers from different bases to octal. Python3 # Binary to Octal print(oct(0b110)) # Hexa to octal print(oct(0XB)) Output0o6 0o13Example 2: Python oct() for custom objectsImplementing __int__() magic method to support octal conversion in Math class. Python3 class Math: num = 76 def __index__(self): return self.num def __int__(self): return self.num obj = Math() print(oct(obj)) Output0o114Example 3: Converting Binary and Hexadecimal Value Into Octal Value Without “Oo” PrefixTo convert a binary or hexadecimal value to an octal representation using Python and remove the "0o" prefix, you can use the oct() function along with string slicing. Python3 a=10 result=oct(10)[2:] print(result) Output12Example 4: Demonstrate TypeError in oct() methodPython doesn't have anything like float.oct() to directly convert a floating type constant to its octal representation. Conversion of a floating-point value to it's octal is done manually. Python3 # Python3 program demonstrating TypeError print("The Octal representation of 29.5 is " + oct(29.5)) Output Traceback (most recent call last): File "/home/5bf02b72de26687389763e9133669972.py", line 3, in print("The Octal representation of 29.5 is "+oct(29.5))TypeError: 'float' object cannot be interpreted as an integerApplications: Python oct() is used in all types of standard conversion. For example, Conversion from decimal to octal, binary to octal, hexadecimal to octal forms respectively. Comment More infoAdvertise with us Next Article Python oct() Function R retr0 Follow Improve Article Tags : Misc Python Python-Built-in-functions Practice Tags : Miscpython Similar Reads Python String format() Method format() method in Python is a tool used to create formatted strings. By embedding variables or values into placeholders within a template string, we can construct dynamic, well-organized output. 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