Basic Python Programs

Your very first Python program that prints "Hello, World!" to the screen.

Read two numbers from the user, add them, and display the result.

Swap the values of two variables using a temporary variable and Python’s tuple unpacking.

Read a character from the user and print its ASCII (Unicode code point) value.

Check whether a given integer number is even or odd.

Compare two numbers and print the larger one (or that they are equal).

Compare three numbers and print the largest one (or that some/all are equal).

Determine whether a given number is positive, negative, or zero.

Convert a distance given in kilometers to miles using a standard conversion factor.

Convert temperature from Celsius to Fahrenheit using the standard formula.

Calculate the area of a triangle given its base and height.

Calculate simple interest given principal, rate, and time.

Calculate compound interest given principal, rate, time, and number of times interest is compounded per year.

Calculate the square root of a number using the math module.

Convert a time duration in total seconds to hours, minutes, and seconds.

Calculate BMI from weight (kg) and height (meters) and classify the result.

Determine whether a given year is a leap year using the Gregorian calendar rules.

Compute the absolute value of a number without using the built-in abs() directly.

Calculate current age from a given birth year using the current year.

Compute the sum of the first N natural numbers using a formula.

Raise a number to an integer power using a loop instead of the built-in pow() or **.

Print the multiplication table for a given number up to 10 (or a user-defined limit).

Convert a non-negative integer from decimal to binary representation.

Convert a binary string (e.g. 1010) to its decimal integer value.

Calculate an electricity bill based on units consumed using a simple slab system.