Python provides 69 built-in functions (as of modern Python 3.13). These functions are available by default and can be used without importing any module. They help perform common tasks such as mathematical calculations, type conversions, file handling, iteration, object inspection, and much more.
List of All the Functions
The table below lists all Python built-in functions along with a short description of each:
| Function | Description |
|---|---|
| abs() | Returns the absolute value of a number. |
| aiter() | Returns an asynchronous iterator from an asynchronous iterable. |
| all() | Returns True if all elements in an iterable are true. |
| anext() | Returns the next item from an asynchronous iterator. |
| any() | Returns True if any element in an iterable is true. |
| ascii() | Returns a printable representation of an object. |
| bin() | Converts an integer to a binary string. |
| bool() | Converts a value to True or False. |
| breakpoint() | Starts the debugger at the current point in the program. |
| bytearray() | Returns a mutable byte array. |
| bytes() | Returns an immutable bytes object. |
| callable() | Checks whether an object can be called like a function. |
| chr() | Returns the character for a given Unicode code point. |
| classmethod() | Converts a method into a class method. |
| compile() | Compiles source code into a code object. |
| complex() | Creates a complex number. |
| delattr() | Deletes an attribute from an object. |
| dict() | Creates a dictionary. |
| dir() | Returns a list of an object's attributes and methods. |
| divmod() | Returns the quotient and remainder of two numbers. |
| enumerate() | Adds a counter to an iterable. |
| eval() | Evaluates a Python expression. |
| exec() | Executes dynamically created Python code. |
| filter() | Filters elements of an iterable using a function. |
| float() | Converts a value to a floating-point number. |
| format() | Formats a value according to a specified format. |
| frozenset() | Creates an immutable set. |
| getattr() | Returns the value of a specified attribute. |
| globals() | Returns the current global namespace as a dictionary. |
| hasattr() | Checks whether an object has a specified attribute. |
| hash() | Returns the hash value of an object. |
| help() | Displays the documentation for an object. |
| hex() | Converts an integer to a hexadecimal string. |
| id() | Returns the unique identity of an object. |
| input() | Reads input from the user as a string. |
| int() | Converts a value to an integer. |
| isinstance() | Checks whether an object is an instance of a class. |
| issubclass() | Checks whether a class is derived from another class. |
| iter() | Returns an iterator from an iterable. |
| len() | Returns the number of items in an object. |
| list() | Creates a list. |
| locals() | Returns the current local namespace as a dictionary. |
| map() | Applies a function to every item in an iterable. |
| max() | Returns the largest item. |
| memoryview() | Returns a memory view object. |
| min() | Returns the smallest item. |
| next() | Returns the next item from an iterator. |
| object() | Creates a new base object. |
| oct() | Converts an integer to an octal string. |
| open() | Opens a file and returns a file object. |
| ord() | Returns the Unicode code point of a character. |
| pow() | Returns the value of a number raised to a power. |
| print() | Prints values to the console. |
| property() | Creates a managed property for a class. |
| range() | Generates a sequence of numbers. |
| repr() | Returns the official string representation of an object. |
| reversed() | Returns a reverse iterator. |
| round() | Rounds a number to the specified number of digits. |
| set() | Creates a set of unique elements. |
| setattr() | Sets the value of an object's attribute. |
| slice() | Creates a slice object. |
| sorted() | Returns a new sorted list from an iterable. |
| staticmethod() | Converts a method into a static method. |
| str() | Converts a value to a string. |
| sum() | Returns the sum of all items in an iterable. |
| super() | Returns a proxy object to access methods of a parent class. |
| tuple() | Creates a tuple. |
| type() | Returns the type of an object or creates a new type. |
| vars() | Returns the __dict__ attribute of an object. |
| zip() | Combines multiple iterables element-wise. |
| __import__() | Imports a module programmatically. |
