Learn Python programming language with beginner to advanced level tutorials. learn syntax, functions, loops and real-world examples to build web apps, automate tasks and easily solve coding challenges.
What is a Python Dictionary? A dictionary in Python is an unordered, mutable and indexed collection that stores data as key-value pairs. Key Features of Python Dictionaries: How to Create a Dictionary in Python? You can create a dictionary using curly braces { } or the built-in dict() function. Syntax: dictionary_name = {key1: value1, key2: … Read more
Python sets are a versatile data structure that allow you to store multiple unique elements in an unordered collection. What is a Python Set? A set in Python is an unordered collection of unique items. Unlike lists and tuples, sets do not allow duplicate elements and their elements are not stored in any specific order. … Read more
What is a Python Tuple? A tuple is an ordered collection of elements, enclosed in parentheses ( ) and separated by commas. Each element in the tuple is referred to as an item. Tuples can contain any data type and a single tuple can store a mix of data types. Syntax: tuple_name = (item1, item2, … Read more
What is a Python List? A Python list is a collection of items enclosed within square brackets ([ ]) and separated by commas. Each item in the list is called an element. Lists can hold any type of data, including numbers, strings, or even other lists. Syntax: list_name = [element1, element2, element3, …] Example: # … Read more
Operators in Python are special symbols or keywords used to perform operations on variables and values. They are the building blocks of any programming language and enable developers to manipulate data and variables effectively. Types of Operators in Python Python provides a rich set of operators categorized as follows: Each type serves a unique purpose … Read more
What are Booleans? A Boolean is a data type that can hold one of two possible values: Python uses Booleans extensively in conditional statements and logical operations. Example of Boolean Values: is_python_easy = Trueis_java_hard = Falseprint(is_python_easy) # Output: Trueprint(is_java_hard) # Output: False Boolean Values in Python In Python, many values can evaluate to either True … Read more
What are Strings in Python? A string in Python is a sequence of characters used to represent text. Strings are immutable, meaning once created, their contents cannot be changed. Examples of Strings: # Strings with single quotesstring1 = ‘Hello, World!’print(string1)# Strings with double quotesstring2 = “Python is fun!”print(string2)# Strings with triple quotes (multiline string)string3 = … Read more
What is Casting in Python? Casting in Python is the process of explicitly converting data types using built-in functions. Python is a dynamically-typed language, meaning that variables can change types automatically during execution. However, casting is used when a specific type is required for operations or compatibility. Types of Casting in Python Python supports the … Read more
Types of Numbers in Python Python categorizes numbers into three types: Let’s explore each type in detail. 1. Integer (int) An integer is a whole number, either positive or negative, without a decimal point. In Python, integers can be as large as your system’s memory allows, making them suitable for a wide range of applications. … Read more
What Are Data Types in Python? A data type defines the nature of the value a variable can hold. Python is a dynamically typed language, meaning you don’t need to declare the type of a variable explicitly. Python assigns the data type automatically based on the value you assign to a variable. Example: x = … Read more