List of Built-in Functions in Python: Enhance Your Code 🐍⚡
Python comes with an impressive set of built-in functions that simplify programming and make your code more efficient. 🐍 From mathematical functions like abs() and pow() to data structure manipulation functions like len() and sorted(), the list of built-in functions in Python is extensive. These functions provide solutions to common tasks without the need for additional libraries, saving you time and effort. In this post, we’ll explore some of the most essential Python built-in functions and demonstrate how to use them effectively in your programs. Let’s dive in! 🔧

 

Introduction
Python is known for its simplicity and versatility, and one of the key reasons for this is the extensive list of built-in functions that come with the language. These functions are pre-written and ready to use, allowing developers to perform common tasks without reinventing the wheel. In this post, we will explore the built-in functions in Python, highlighting their usage and demonstrating practical examples. From handling basic input/output to performing mathematical operations, these functions will significantly enhance your productivity.

 

Full List of Python Built-in Functions 🛠️

Python’s built-in functions are powerful tools that can handle a wide range of tasks. Here’s a comprehensive list of Python built-in functions organized alphabetically:

Function Description Example
A
abs() Returns the absolute value of a number. abs(-10) # Output: 10
aiter() Returns an asynchronous iterator. aiter(some_obj)
all() Returns True if all items in an iterable are true. all([True, False]) # Output: False
anext() Returns the next item from an asynchronous iterator. anext(aiter_obj)
any() Returns True if any item in an iterable is true. any([True, False]) # Output: True
ascii() Returns a string containing a printable representation of an object. ascii(‘Python’) # Output: ‘Python’
B
bin() Converts an integer to its binary representation. bin(10) # Output: ‘0b1010’
bool() Converts a value to a boolean. bool(1) # Output: True
breakpoint() Stops execution at the current point for debugging. breakpoint()
bytearray() Returns a new byte array object. bytearray([65, 66, 67])
bytes() Returns a new bytes object. bytes([65, 66, 67])
C
callable() Checks if an object appears callable (i.e., can be called). callable(print)
chr() Returns a string representing a character whose Unicode code point is the integer. chr(65) # Output: ‘A’
classmethod() Converts a method to a class method. classmethod(func)
compile() Compiles source into a code object. compile(‘print(“hello”)’, ”, ‘exec’)
complex() Creates a complex number. complex(2, 3) # Output: (2+3j)
D
delattr() Deletes an attribute from an object. delattr(obj, ‘attr_name’)
dict() Creates a new dictionary. dict(key=’value’)
dir() Returns the list of attributes of an object. dir([])
divmod() Returns a tuple containing the quotient and remainder. divmod(9, 4) # Output: (2, 1)
E
enumerate() Adds a counter to an iterable. enumerate([‘a’, ‘b’])
eval() Executes a Python expression. eval(‘3 + 2’) # Output: 5
exec() Executes a Python program dynamically. exec(‘x = 5; print(x)’)
F
filter() Filters elements from an iterable based on a condition. filter(lambda x: x > 2, [1, 2, 3])
float() Converts a string or integer to a floating-point number. float(‘42.5’) # Output: 42.5
format() Returns a formatted string. format(1.23, ‘.2f’) # Output: ‘1.23’
frozenset() Returns an immutable version of a set. frozenset([1, 2, 3])
G
getattr() Returns the value of an attribute from an object. getattr(obj, ‘attr_name’)
globals() Returns the global symbol table. globals()
H
hasattr() Checks if an object has a particular attribute. hasattr(obj, ‘attr_name’)
hash() Returns the hash value of an object. hash(‘string’)
help() Invokes the built-in help system. help()
hex() Converts an integer to a hexadecimal string. hex(255) # Output: ‘0xff’
I
id() Returns the identity of an object. id(obj)
input() Takes input from the user. name = input(‘Enter your name: ‘)
int() Converts a value to an integer. int(’42’) # Output: 42
isinstance() Checks if an object is an instance of a particular class. isinstance(5, int)
issubclass() Checks if a class is a subclass of another class. issubclass(Dog, Animal)
iter() Returns an iterator for an iterable. iter([1, 2, 3])
L
len() Returns the length of an object. len(‘hello’) # Output: 5
list() Converts an iterable to a list. list((1, 2, 3)) # Output: [1, 2, 3]
locals() Returns the local symbol table. locals()
M
map() Applies a function to all items in an iterable. map(str, [1, 2, 3])
max() Returns the largest item in an iterable. max([1, 2, 3]) # Output: 3
memoryview() Returns a memory view object. memoryview(b’abc’)
min() Returns the smallest item in an iterable. min([1, 2, 3]) # Output: 1
N
next() Returns the next item from an iterator. next(iter_obj)
O
object() Creates a new object. object()
oct() Converts an integer to an octal string. oct(8) # Output: ‘0o10’
open() Opens a file for reading or writing. open(‘file.txt’, ‘r’)
ord() Returns the Unicode code point for a character. ord(‘A’) # Output: 65
P
pow() Returns the power of a number. pow(2, 3) # Output: 8
print() Outputs information to the console. print(‘Hello’)
property() Returns a property attribute for a class. property()
R
range() Generates a sequence of numbers. range(3) # Output: 0, 1, 2
repr() Returns a string representation of an object. repr([1, 2]) # Output: ‘[1, 2]’
reversed() Returns a reversed iterator. reversed([1, 2, 3])
round() Rounds a number to a specified precision. round(3.14159, 2) # Output: 3.14
S
set() Creates a new set object. set([1, 2, 3])
setattr() Sets an attribute for an object. setattr(obj, ‘attr’, value)
slice() Returns a slice object. slice(0, 5)
sorted() Returns a sorted list from an iterable. sorted([3, 1, 2]) # Output: [1, 2, 3]
staticmethod() Converts a method to a static method. staticmethod(func)
str() Converts an object to a string. str(42)
sum() Returns the sum of all items in an iterable. sum([1, 2, 3]) # Output: 6
super() Calls a method from a parent class. super().method()
T
tuple() Creates a tuple from an iterable. tuple([1, 2, 3])
type() Returns the type of an object. type(42)
V
vars() Returns the dict attribute for an object. vars(object)
Z
zip() Returns an iterator of tuples, paired from iterables. zip([1, 2], [3, 4]) # Output: [(1, 3), (2, 4)]
_
__import__() Dynamically imports a module. __import__(‘math’)

 

List of built in functions in python conclusion: Mastering for Efficient Programming 🏆

Understanding and utilizing the list of built-in functions in Python is essential for writing efficient, concise, and readable code. From input/output functions like input() to mathematical operations with math, these built-in tools save time and improve the clarity of your programs. Don’t forget to explore the rich ecosystem of third-party libraries available to Python developers!

Start leveraging these functions today to streamline your Python projects and improve your coding efficiency. Happy coding! 🐍💻