Python Cheatsheet

Print

Prints the specified message to the console or standard output.

print()

Length

Returns the number of items in an object, such as a string, list, or dictionary.

len()

Range

Generates a sequence of numbers within a specified range.

range()

Input

Prompts the user for input and returns a string.

input()

String

Converts a value into a string.

str()

Integer

Converts a value into an integer.

int()

Float

Converts a value into a floating-point number.

float()

List

Creates a new list in Python, which is a collection of items that can be of different data types.

list()

Dictionary

Creates a new dictionary, which is a collection of key-value pairs.

dict()

Tuple

Creates a new tuple, which is an immutable ordered collection of items.

tuple()

Set

Creates a new set, which is an unordered collection of unique items.

set()

Boolean

Converts a value into a Boolean (True or False).

bool()

Type

Returns the type of an object.

type()

Sum

Calculates the sum of a collection of numbers.

sum()

Maximum

Returns the maximum value from a collection of numbers.

max()

Minimum

Returns the minimum value from a collection of numbers.

min()

Absolute Value

Returns the absolute value of a number.

abs()

Round

Rounds a number to the nearest integer or a specified number of decimal places.

round()

Sorted

Returns a new sorted list from the elements of an iterable.

sorted()

Enumerate

Returns a tuple containing the index and value of each element in an iterable.

enumerate()

Any

Returns True if at least one element in an iterable is true, otherwise returns False.

any()

All

Returns True if all elements in an iterable are true, otherwise returns False.

all()

Filter

Constructs an iterator from elements of an iterable for which a function returns true.

filter()

Map

Applies a function to all items in an input list and returns an iterator.

map()

Dir

Returns a list of names in the current local scope or a list of attributes of an object.

dir()

Open File

Opens a file and returns a file object.

open()

Zip

Creates an iterator of tuples by aggregating elements from two or more iterables.

zip()

Unique Identifier

Returns a unique identifier for an object.

id()