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Type Conversion and Type Casting in Python

  Type Conversion and Type Casting   Type Conversion and Type Casting in Python refer to the process of changing the data type of a variable or value from one data type to another. Python provides several built-in functions for type conversion and casting.  Here are some of the most commonly used methods: int() float()  str()  bool()  1. Implicit Type Conversion (Coercion): Python performs automatic type conversion when an operation involves operands of different data types. For example, when you add an integer and a floating-point number, Python will automatically convert the integer to a float to perform the addition. This is called implicit type conversion, and it happens automatically.    int_num = 5    float_num = 2.5    result = int_num + float_num  # Automatic conversion of int to float    2. Explicit Type Conversion (Type Casting): You can explicitly convert one data type to another using functions lik...

Operators in Python

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  Operators iare symbols or predefined keywords that are used to perform specific operations.  Python supports various types of operators, including:   Arithmetic Operators : These operators are used for basic mathematical operations like addition , subtraction , multiplication , division , modulus , exponentiation , and floor division .     Comparison Operators:  Also known as relational operators, they compare values and determine their relationship, such as equal to , not equal to , greater than , less than , greater than or equal to , and less than or equal to .  Assignment Operators: These operators are used to assign values to variables and can also perform operations like addition , subtraction , multiplication , etc., simultaneously with assignment. Logical Operators: Logical operators combine conditions and return a Boolean result, including AND , OR , and NOT . Membership Operators: Membership operators test if a value exists within a s...

Python Type Checking

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Type checking is a process in programming where you verify or determine the data type of a variable. It involves examining the characteristics of a value to understand its nature, such as whether it represents an integer, a string, a boolean, or another data type.  Python provides several instructions for type checking, allowing you to determine the data type of a variable or object.  Using the type() instruction:    - The type() instruction returns the type of an object.     - Example: print(type(stu_name))   prints the data type of stu_name , which is a string (<class 'str'>). print(type(stu_age))   prints the data type of stu_age , which is an integer (<class 'int'>). print(type(stu_height))  prints the data type of stu_height , which is a float (<class 'float'>). print(type(stu_approved))   prints the data type of stu_approved , which is a boolean (<class 'bool'>). print(type(stu_hobbies))  prints the d...

Python Datatypes

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Data types is used to define the type of value that a variable can hold. It specifies the nature of the data and the operations that can be performed on that data.  Python supports several data types to represent different kinds of values. Here are some of the commonly used data types in Python, along with examples: Integer (int):    - Used to represent whole numbers.    - Example: Float (float):    - Used to represent decimal numbers.    - Example: String (str):    - Used to represent text or sequences of characters.    - Example: Boolean (bool):    - Used to represent either `True` or `False`.    - Example: List (list):    - Used to store a collection of values, which can be of different data types.    - Lists are ordered and mutable (you can change their contents).    - Example: Tuple (tuple):    - Similar to lists, but tuples are immutable (you cannot change ...

Python Variables

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 In Python, variables are used to store and manage data. Variables act as placeholders or containers for storing values. Here are some key points about variables in Python: Variable Naming Rules:    - Variable names can contain letters (a-z, A-Z), digits (0-9), and underscores (_).    - Variable names must start with a letter or an underscore (no digits as the first character).    - Variable names are case-sensitive, meaning `myVariable` and `myvariable` are considered different variables.    - Python has reserved words (keywords) that cannot be used as variable names, such as if,  else, for, and while . Variable Assignment:    - Assigning a value to a variable is done using the  = operator.    - Variables can hold various data types, such as integers, floats, strings, lists, dictionaries, and custom objects.    Example:      Dynamic Typing:    - Python uses dynamic typing, me...

Practice Code Online : Unleashing the World of Coding

 Welcome to Practice Code Online , your gateway to the exciting and ever-evolving world of coding! Whether you're a seasoned developer looking to expand your skills or a complete beginner eager to embark on a coding journey, this blog is your one-stop destination for all things coding. In Practice Code Online , we believe that coding is both an art and a science, and we're here to guide you through the intricacies of programming languages, web development, software engineering, and more. Our mission is to demystify code and make it accessible to everyone, fostering a community of passionate coders along the way.   What can you expect from Practice Code Online ? - Tutorials : Step-by-step tutorials and guides for various programming languages and technologies, designed to help you master the craft. - Tips and Tricks : Proven tips, best practices, and coding hacks to streamline your development process. - Projects and Challenges : Engaging coding projects and challenges to ...

Python Execution

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 In Python, there are several ways to execute code, depending on your needs and the context in which you are working.  Here are the primary execution types:  i. Interactive Mode ii. Script Mode 1. Interactive Mode (Python Shell or REPL - Read-Eval-Print Loop):     Interactive mode allows you to execute Python code one line at a time and immediately see the results. You can open an interactive Python shell by typing python  in your terminal or command prompt.     Example:     Note :  Make sure you have Python installed on your computer. You can check if Python is installed by typing python or python3 and hitting Enter. If it's installed, you'll enter the Python interactive shell. 2. Script Mode:    In script mode, you write Python code in a separate file with a .py  extension and execute the entire script. You run a Python script from the command line using python script_name.py .     Example:    ...