Python

Formatting Date and Time in Python Python provides powerful formatting options for dates and times using the strftime() method and parsing using strptime() method. 1. Basic Formatting with strftime() Date Formatting python from datetime import date, datetime # Current date today = date.today() print(“Date Formatting Examples:”) print(f”Default: {today}”) print(f”YYYY-MM-DD: {today.strftime(‘%Y-%m-%d’)}”) print(f”MM/DD/YYYY: {today.strftime(‘%m/%d/%Y’)}”) print(f”DD-MM-YYYY: {today.strftime(‘%d-%m-%Y’)}”) print(f”Full month: {today.strftime(‘%B %d, %Y’)}”) print(f”Abbr…

Creating and Manipulating Date/Time Objects in Python 1. Creating Date and Time Objects Creating Date Objects python from datetime import date, time, datetime # Create date objects date1 = date(2023, 12, 25) # Christmas 2023 date2 = date(2024, 1, 1) # New Year 2024 date3 = date(2023, 6, 15) # Random date print(“Date Objects:”) print(f”Christmas:…

In Python, the primary modules for handling dates and times are: 🕰️ Key Built-in Modules 1. datetime This is the most essential module. It provides classes for manipulating dates and times in both simple and complex ways. Class Description Example Usage date A date (year, month, day). date.today() time A time (hour, minute, second, microsecond,…

Challenge Summary: Inheritance – Polygon and Triangle Classes Objective: Create two classes where Triangle inherits from Polygon and calculates area using Heron’s formula. 1. Polygon Class (Base Class) Properties: Methods: __init__(self, num_sides, *sides) python class Polygon: def __init__(self, num_sides, *sides): self.number_of_sides = num_sides self.sides = list(sides) 2. Triangle Class (Derived Class) Inheritance: Methods: __init__(self, *sides) area(self) python import math…

Challenge Summary: Bank Account Class with Minimum Balance Objective: Create a BankAccount class that automatically assigns account numbers and enforces a minimum balance rule. 1. Custom Exception Class python class MinimumBalanceError(Exception): “””Custom exception for minimum balance violation””” pass 2. BankAccount Class Requirements Properties: Methods: __init__(self, name, initial_balance) deposit(self, amount) withdraw(self, amount) show_details(self) 3. Key Rules: 4. Testing…

Challenge: Currency Converter Class with Accessors & Mutators Objective: Create a CurrencyConverter class that converts an amount from a foreign currency to your local currency, using accessor and mutator methods. 1. Class Properties (Instance Variables) 2. Class Methods 3. Task Instructions

Create a Customer class that uses accessor (getter) and mutator (setter) methods to control access to its properties. 1. Class Properties 2. Class Methods 3. Task Instructions

Challenge: Employee Class using Instance & Class Variables Objective: Create an Employee class that uses both instance variables and a class variable. 1. Class Properties (Variables) 2. Employee ID Rules 3. Class Methods (Functions) 4. Key Summary

1. What is a Rational Number? A rational number is any number that can be expressed as a fraction where both the numerator and the denominator are integers (whole numbers), and the denominator is not zero. The key idea is ratio. The word “rational” comes from the word “ratio.” General Form:a / b Examples: Non-Examples: 2. Formulas for Addition and Subtraction…