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What is Python Module? A file containing Python commands and definitions is referred to as a Python module. These files have .py suffix that contains Python code, such as example.py, and the name of the module is an example. Modules are used to divide down huge applications into smaller, more manageable files. As Python projects grow, organizing code becomes essential. One of the most effective way to manage complexity and avoid code re-usage is creating your own Python module. Some of the benefits of creating modules include − Organized Code Re-usability ... Read More
What is a Python Module? A module in Python is a simple .py file that contains code, which includes functions, classes, and variables. The module can be reused in other programs. Also, Python comes with built-in modules, which include os and math. Usually, modules are imported statically at the top of the code, but there can also be cases that require dynamic importing. Some of the reasons might be − You are not sure which module to import until the program runs. You are building plugin systems(a software program that allows ... Read More
What is Root Access? Root access refers to the highest level of administrative privileges on Unix-like operating systems [Linus or macOS]. This root user has the ability to access all the files and system settings. This includes installing and removing software, altering system configurations, and managing user accounts. Installing Python Modules without Root Access In Python modules are files with the “. py” extension containing Python code that can be imported inside another Python Modules Operations Program. If you don't have sufficient permissions to install Python modules directly on your machines, there are a few alternative methods you can use. ... Read More
Separate tuple and list data types are provided because both have different roles. Tuples are immutable, whereas lists are mutable. That means Lists can be modified, whereas Tuple cannot. Tuples are sequences, just like lists. The differences between tuples and lists are, the tuples cannot be changed unlike lists and tuples use parentheses, whereas lists use square brackets. Let’s see how Lists and Tuples are created. Creating a Basic Tuple We will begin the code by creating a basic tuple with integer elements. Next, specify the topics as advanced concepts like tuples nested within tuples. The provided code initializes a ... Read More
In Python, lists are one of the built-in data structures that are used to store collections of data. The lists are mutable, which means we can modify its element after it is created. You can update single or multiple list elements using append, insert, extend, remove, and clear to change the list content by adding, updating, or removing elements from the list object. In this article, we will discuss how we can update an existing element in the list. The list is an index-based sequential data structure so that we can access the list elements by their index position, ... Read More
In Python, the __str__() method is used to compute the informal or human readable string representation of an object. This method is called by the built-in print(), string and format() functions. This method is called by the implementation of the default __format__() method and the built-in function print(). This method returns the string object. In a class, if the __str__() method is not defined, Python will fall back to using the __repr__() method. If neither of these dunder methods is defined, the class will return the default string representation of the object Example Here, we have created a class named ... Read More
In Python, the __repr__() method is a built-in function used to compute the official string representation of an object. It is used in debugging and logging purposes as it provides a detailed and clear representation of an object. This method is also known as dunder method as it begins with a double underscore in the beginning and at the end. In a class, if __str__() method and the __repr__() method is defined ,then the __str__() method is executed. Example Here, we have created a class named Methods and defined the __repr__() method. When we execute the code, the output ... Read More
In Python, the__init__() method is a special method within a class that gets automatically called when an object is created. It is used to initialize the attributes of the object. It is also known as a constructor. The self is always the first argument to the __init__() method that refers to the instance of the class being created, allowing access to its attributes and methods. Lets try to understand the __init__() method with an example - class Employee: def __init__(self): self.name=input("Enter employee name:") self.id=int(input("Enter id:")) ... Read More
In Python, functions are treated as first-class objects, which means that all functions in Python are treated like any other object or variable. You can assign a function to a variable, pass it as an argument to another function, return it from a function, or even store it in data structures like lists. One very useful feature in Python is that a function can return another function. This means you can define a function inside another function and return it as a result. This is used in advanced programming concepts like closures, decorators, and higher-order functions. Returning a Simple Function ... Read More
Lambda Function in Python Lamda functions are inline functions, i.e., functions that are written in a single line instead of using multiple lines. These are anonymous functions (functions without a name). We can define a lambda function using the lambda keyword. These are typically used when we need to return a function from another function or accept a function as a parameter. We can also use lambda functions with built-in functions like map(), filter(), and sorted(), where we need to perform a small operation quickly without writing a separate full function. Lamda function is basically a shortcut for writing a ... Read More