Python Coding challenge - Day 242 | What is the output of the following Python Code?

 Code:a = [1, 2, 3]b = a[:]a.append(4)print(b)Solution and Explanation: Step 1: a = [1, 2, 3]This creates a list a containing the elements [1, 2, 3].Step 2: b = a[:]The [:] syntax creates a shallow copy of the list a.This means that...

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How much do know Python's is Operator?

 1. Comparing Small Integersa = 100b = 100print(a is b)TrueExplanation:In Python, small integers (typically between -5 and 256) are cached and reused for efficiency.When you assign 100 to both a and b, they reference the same memory location...

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Manhattan Distance in Python

 Manhattan Distance in Pythondef manhattan_distance(point1, point2):    return sum(abs(a - b) for a, b in zip(point1, point2))point1 = (1, 2)point2 = (4, 6)distance = manhattan_distance(point1, point2)print(f"Manhattan distance:...

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Django for Everybody Specialization

 Join Free: Django for Everybody SpecializationMastering Web Development with Django: A Journey Through the Django Specialization on CourseraIntroductionDjango is one of the most popular web frameworks for Python, known for its "batteries-included"...

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Introduction to Flask framework

 A Quick Dive into Flask Framework for Beginners!🚀 Just finished the "Introduction to Flask Framework" project on Coursera, and here’s a quick rundown of what I learned! 🧵👇1️⃣ What is Flask?Flask is a micro web framework for Python....

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Flask for Beginners: Creating an Application

 Getting Started with Flask: Creating Your First Web ApplicationIntroductionFlask is a lightweight and versatile Python web framework that's perfect for beginners looking to develop their first web application. It's easy to set up, requires...

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Create Your First Web App with Python and Flask

 What you'll learnCreate Web Applications with FlaskUse WTForms and SQLAlchemy in Flask ApplicationsUse Templates in Flask ApplicationsJoin Free: Create Your First Web App with Python and FlaskAbout this Guided ProjectIn this 2-hour...

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Developing AI Applications with Python and Flask

 What you'll learnDescribe the steps and processes involved in creating a Python application including the application development lifecycle Create Python modules, run unit tests, and package applications while ensuring the PEP8 coding...

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5 Practical Python Programs Using the Pickle Library

 1. Saving and Loading a ListThis program saves a list to a file and then loads it back.import picklemy_list = ['apple', 'banana', 'cherry']with open('list.pkl', 'wb') as file:    pickle.dump(my_list, file)with open('list.pkl',...

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7 Lesser-Known Python Techniques about Lists

 1. Flatten a Nested ListFlatten a deeply nested list into a single list of elements.from collections.abc import Iterabledef flatten(lst):    for item in lst:        if isinstance(item, Iterable) and not isinstance(item,...

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Barcode using Python

 pip install python-barcodeimport barcodefrom barcode.writer import ImageWriterfrom IPython.display import Image, displaybarcode_format = barcode.get_barcode_class('ean13')barcode_number = '123456789012'barcode_image = barcode_format(barcode_number,...

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Color code using Python

 from webcolors import name_to_hexdef color_name_to_code(color_name):    try:        color_code = name_to_hex(color_name)        return color_code    except ValueError: ...

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Phone Number Handling in Python

 1. Parse and Format a Phone NumberThis program parses a phone number and formats it in the international format.import phonenumbersfrom phonenumbers import PhoneNumberFormat, format_numberphone_number = phonenumbers.parse("+14155552671",...

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Python Coding challenge - Day 241 | What is the output of the following Python Code?

Code:a = [1, 2, 3]b = aa.append(4)print(b)Solution and Explanantion:  a = [1, 2, 3]:This line creates a list a with elements [1, 2, 3].b = a:Here, b is not a new list but a reference to the same list object that a refers to. In Python,...

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Fetching and Displaying Periodic Table Data in Python

 Periodic Table Data in Pythonpip install chempyfrom chempy.util import periodicn = int(input("Enter number to see the table: "))print("Atomic No.\tName\t\tSymbol\t\tMass")for i in range(1, n + 1):    print(i, end="\t\t") ...

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IP Address Manipulation with Python

1. Check if an IP Address is PrivateThis program checks whether an IP address belongs to a private range.import ipaddressdef check_private_ip(ip):    try:        ip_obj = ipaddress.ip_address(ip)     ...

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Wireframes and Surface Plots in Python

 import numpy as npimport matplotlib.pyplot as pltfrom mpl_toolkits.mplot3d import Axes3Dx = np.linspace(-5, 5, 50); y = np.linspace(-5, 5, 50)X, Y = np.meshgrid(x, y)Z = np.sin(np.sqrt(X**2 + Y**2))fig = plt.figure()ax = fig.add_subplot(111,...

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10 Essential Use Cases of Python's zip() Function with Examples

 1. Combining Two ListsUse case: Merging two lists element-wise.names = ["Alice", "Bob", "Charlie"]ages = [25, 30, 35]combined = list(zip(names, ages))print(combined)  [('Alice', 25), ('Bob', 30), ('Charlie', 35)]2. Unzipping...

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How to Use Python f-Strings?

 Basic UsageHere's a basic example of using f-strings:name = "Alice"age = 30greeting = f"Hello, my name is {name} and I am {age} years old."print(greeting)Hello, my name is Alice and I am 30 years old.Embedding ExpressionsYou can also...

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8 Levels of Writing Python Functions

 Level 1: Basic Function DefinitionGoal: Learn how to define simple functions with def.def greet():    return "Hello, World!"Concepts: Function definition, return statement, and basic usage.Level 2: Function ArgumentsGoal: Understand...

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Pencil Sketch using Python

 import cv2import numpy as npdef pencil_sketch(image_path, output_path):    image = cv2.imread(image_path)    gray_image = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)    inverted_gray_image = cv2.bitwise_not(gray_image) ...

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World map using Python

 pip install cartopyimport cartopy.crs as ccrsimport cartopy.feature as cfeatureimport matplotlib.pyplot as pltprojection = ccrs.PlateCarree()fig, ax = plt.subplots(subplot_kw={'projection': projection})ax.set_extent([-180, 180, -90, 90],...

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