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Python Articles
Page 16 of 855
Python Program to check date in date range
In this article we will learn how to check if a given input date falls within a specified date range. Python provides several approaches to accomplish this task, each with its own advantages. Using the datetime() Function The datetime module offers classes to manipulate dates and times. The datetime() function accepts year, month, and day as input arguments and returns a datetime object that can be easily compared. Example In this example we check if the date 25−05−2023 falls within the range of 01−01−1991 to 31−12−2023 ? from datetime import datetime def is_date_in_range(date, ...
Read MorePython program to Check all strings are mutually disjoint
String is one of the data structures which holds data enclosed in double quotes or single quotes. It is immutable, meaning once we define the data we cannot change or modify it. In Python we have a function called str() which takes any data as input and returns the string as output. Mutually disjoint means no two strings have any common characters. There are different ways to check if all strings are mutually disjoint. Let's explore each approach. Using Nested Loops This approach uses nested loops to compare each pair of strings by converting them to sets ...
Read MorePython program to change the value of a dictionary if it equals K
A dictionary is one of Python's most versatile data structures, storing data in key-value pairs using {} curly braces. Dictionary keys are unique, values can be repeated, and the structure is mutable, allowing modifications after creation. In this article, we'll explore different techniques to change dictionary values that equal a specific value K. Let's examine each approach with practical examples. Using a For Loop The for loop iterates through dictionary items and updates values when they match our target value K ? Example def change_value_if_equals_K(dictionary, K, new_value): for key, value ...
Read MorePython program to calculate gross pay
Gross pay is the total amount paid to an employee before taxes and deductions. It includes base salary, bonuses, overtime, and reimbursements. The basic formula is: Hours worked × Pay per hour = Gross pay For example, if an employee worked 40 hours at ₹500 per hour: 40 × 500 = ₹20, 000 gross pay Let's explore different methods to calculate gross pay using Python. Basic Gross Pay Calculation The simplest approach calculates gross pay using hours worked and hourly rate ? def calculate_gross_pay(hours, hourly_rate): ...
Read MorePython program to calculate square of a given number
A square is defined as the multiplication of a number by itself. The square of a number n is given as n2. Mathematically, we can represent the square of a number as: n² = n × n Python provides several approaches to calculate the square of a number. Let's explore the most common methods. Using Exponential Operator (**) The exponential operator (**) performs exponent arithmetic operations. To find the square, we raise the number to the power of 2. Syntax: n ** 2 Example Here we calculate the square of 25 using the ...
Read MorePython program to calculate Date, Month and Year from Seconds
When working with timestamps, you often need to convert seconds (Unix epoch time) into readable date components. Python provides several approaches using the datetime module, time module, or manual calculations with divmod(). Using datetime Module The datetime module offers classes to manipulate dates and times. The utcfromtimestamp() function converts seconds since epoch (January 1, 1970) into a datetime object. Syntax datetime.datetime.utcfromtimestamp(seconds) Example Here we convert 1706472809 seconds to extract the day, month, and year components ? import datetime def calculate_date(seconds): date = datetime.datetime.utcfromtimestamp(seconds) ...
Read MorePython program to calculate age in year
Generally, the age of a person is calculated by subtracting the birth year from the current year. In Python, we can calculate age more precisely using modules like datetime, dateutil, and timedelta to handle dates properly. Basic Age Calculation The simplest approach uses basic arithmetic ? Current year - Birth year Example This example implements the basic method by passing current year and birth year to a function ? def age_calculator(current_year, birth_year): age = current_year - birth_year print("The age of the person in ...
Read MorePython program to calculate acceleration, final velocity, initial velocity and time
Acceleration, final velocity, initial velocity and time are fundamental concepts in physics that describe motion and mechanics. Python can help us calculate these values using their mathematical relationships. Acceleration Acceleration is the rate at which an object changes its velocity over time. It is denoted by a and measured in meters per second squared (m/s²). The formula is: a = (vf - vi) / t Where: vi is the initial velocity vf is the final velocity t is the time duration a is the acceleration Example Let's calculate acceleration when an ...
Read MoreProfiling in Python
Python profiling is the process of measuring performance of different parts of a program to identify optimization areas and bottlenecks. Python provides several built-in modules and third-party tools for profiling code execution time, memory usage, and function calls. Using cProfile for Function Profiling Function profiling measures execution time of individual functions in your program. Python's built-in cProfile module is the most common tool for this purpose. Basic Function Profiling The cProfile.run() function executes code and provides detailed statistics − import cProfile def calculate_sum(n): total = 0 ...
Read MoreProfile Application using Python Flask and MySQL
Flask is a lightweight web framework for Python that provides libraries to build web applications quickly. It is a micro framework developed by Armin Ronacher, working on WSGI toolkit and Jinja2 template engines. This tutorial will guide you through creating a profile registration application using Flask and MySQL. Setting up Virtual Environment First, install the virtual environment to isolate your project dependencies − pip install virtualenv Create a new project directory and set up the virtual environment − mkdir Flask cd Flask virtualenv venv Activate the virtual environment based on ...
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