Python解释器具有许多始终可用的功能。这些函数称为内置函数。例如，print() 函数将给定对象打印到标准输出设备（屏幕）或文本流文件。
在Python 3.6（最新版本）中，有68个内置函数。它们按字母顺序列在下面，并附有简要说明。
| Python abs() | returns absolute value of a number |
| Python all() | returns true when all elements in iterable is true |
| Python any() | Checks if any Element of an Iterable is True |
| Python ascii() | Returns String Containing Printable Representation |
| Python bin() | converts integer to binary string |
| Python bool() | Converts a Value to Boolean |
| Python bytearray() | returns array of given byte size |
| Python bytes() | returns immutable bytes object |
| Python callable() | Checks if the Object is Callable |
| Python chr() | Returns a Character (a string) from an Integer |
| Python classmethod() | returns class method for given function |
| Python compile() | Returns a Python code object |
| Python complex() | Creates a Complex Number |
| Python delattr() | Deletes Attribute From the Object |
| Python dict() | Creates a Dictionary |
| Python dir() | Tries to Return Attributes of Object |
| Python divmod() | Returns a Tuple of Quotient and Remainder |
| Python enumerate() | Returns an Enumerate Object |
| Python eval() | Runs Python Code Within Program |
| Python exec() | Executes Dynamically Created Program |
| Python filter() | constructs iterator from elements which are true |
| Python float() | returns floating point number from number, string |
| Python format() | returns formatted representation of a value |
| Python frozenset() | returns immutable frozenset object |
| Python getattr() | returns value of named attribute of an object |
| Python globals() | returns dictionary of current global symbol table |
| Python hasattr() | returns whether object has named attribute |
| Python hash() | returns hash value of an object |
| Python help() | Invokes the built-in Help System |
| Python hex() | Converts to Integer to Hexadecimal |
| Python id() | Returns Identify of an Object |
| Python input() | reads and returns a line of string |
| Python int() | returns integer from a number or string |
| Python isinstance() | Checks if a Object is an Instance of Class |
| Python issubclass() | Checks if a Object is Subclass of a Class |
| Python iter() | returns iterator for an object |
| Python len() | Returns Length of an Object |
| Python list() Function | creates list in Python |
| Python locals() | Returns dictionary of a current local symbol table |
| Python map() | Applies Function and Returns a List |
| Python max() | returns largest element |
| Python memoryview() | returns memory view of an argument |
| Python min() | returns smallest element |
| Python next() | Retrieves Next Element from Iterator |
| Python object() | Creates a Featureless Object |
| Python oct() | converts integer to octal |
| Python open() | Returns a File object |
| Python ord() | returns Unicode code point for Unicode character |
| Python pow() | returns x to the power of y |
| Python print() | Prints the Given Object |
| Python property() | returns a property attribute |
| Python range() | return sequence of integers between start and stop |
| Python repr() | returns printable representation of an object |
| Python reversed() | returns reversed iterator of a sequence |
| Python round() | rounds a floating point number to ndigits places. |
| Python set() | returns a Python set |
| Python setattr() | sets value of an attribute of object |
| Python slice() | creates a slice object specified by range() |
| Python sorted() | returns sorted list from a given iterable |
| Python staticmethod() | creates static method from a function |
| Python str() | returns informal representation of an object |
| Python sum() | Add items of an Iterable |
| Python super() | Allow you to Refer Parent Class by super |
| Python tuple() Function | Creates a Tuple |
| Python type() | Returns Type of an Object |
| Python vars() | Returns __dict__ attribute of a class |
| Python zip() | Returns an Iterator of Tuples |
| Python __import__() | Advanced Function Called by import |