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Date and Time Objects in Python

Introduction
Setting Up Your Python Environment
Installing Python and PyCharm IDE Creating and Running Your First Python Program
Python Data Types
Numeric Types String Types Boolean Types None Type
Operators and Expressions
Arithmetic Operators Comparison Operators Logical Operators Bitwise Operators Assignment Operators Operator Precedence
Control Flow Statements
Conditional Statements Loops Break and Continue Statements Exception Handling
Functions and Modules
Defining and Calling Functions Function Arguments and Return Values Lambda Functions Modules and Packages
Python Data Structures
Lists Tuples Dictionaries Sets Arrays
ObjectOriented Programming in Python
Classes and Objects Attributes and Methods Inheritance and Polymorphism Abstract Classes and Interfaces
File Handling
Opening and Closing Files Reading and Writing Text Files Reading and Writing Binary Files CSV Files
Regular Expressions
Basic Regular Expressions and Metacharacters Anchors and Quantifiers Grouping and Capturing Lookarounds
Datetime and Timezones
Date and Time Objects Date and Time Formatting Timezone and Daylight Saving Time Handling
Debugging and Testing
Debugging Techniques Debugging Tools in PyCharm Unit Testing with PyTest
Web Scraping with Python
Requesting Data with urllib Parsing HTML with Beautiful Soup Extracting and Storing Data
Database Handling with Python
Connecting to Databases Performing CRUD Operations Database Access with ORM (ObjectRelational Mapping)
Introduction to Data Science with Python
NumPy Pandas Matplotlib ScikitLearn
GUI Programming with Python
Creating GUI Applications GUI Toolkits (Tkinter, PyQt, wxWidgets)
Network Programming with Python
Socket Programming Creating and Running a Simple Web Server Connecting to APIs
Best Practices and Tips
Python Coding Standards Code Organization Writing Efficient Code Tips and Tricks for Python Development
Conclusion and Next Steps.

Date and Time Objects

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#description

Python has a built-in module called "datetime" that provides various classes for working with dates and time. The module contains three main classes- datetime, date, and time.

  1. datetime class:

This class combines both date and time information. A datetime instance has attributes year, month, day, hour, minute, second, microsecond, and tzinfo (timezone information).

  1. date class:

This class deals with dates only. A date instance has attributes year, month, and day.

  1. time class:

This class handles time information only. A time instance has attributes hour, minute, second, microsecond, and tzinfo.

The datetime class is the most commonly used class in this module. We can create a datetime object using the constructor of the datetime class.

Here's an example:

 
                    
from datetime import datetime
now = datetime.now() # current date and time
print("Current date and time:", now)

The output of the above code will be something like this:

 
                    
Current date and time: 2022-06-30 19:58:43.017478

We can also create a datetime object by specifying the date and time components manually like this:

 
                    
from datetime import datetime
dt = datetime(year=2022, month=6, day=30, hour=10, minute=30, second=15)
print(dt)

The output will be:

 
                    
2022-06-30 10:30:15

We can perform various operations with the datetime objects, such as comparing two datetime objects, adding or subtracting time intervals, converting datetime objects to different string formats.

In summary, the datetime module provides classes and functions to work with dates, times, and time intervals in Python. It is a powerful tool that can simplify date and time calculations and formatting in Python programs.

March 25, 2023

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