Find Largest of Two Numbers
Compare two numbers and print the larger one (or that they are equal).
What You'll Learn
- Comparing two numeric values
- Using if-elif-else chains
- Handling the equality case explicitly
Python Find Largest of Two Numbers Program
This program helps you to learn the fundamental structure and syntax of Python programming.
# Program to find the largest of two numbers
a = float(input("Enter first number: "))
b = float(input("Enter second number: "))
if a > b:
print("Largest number is:", a)
elif b > a:
print("Largest number is:", b)
else:
print("Both numbers are equal")Enter first number: 12 Enter second number: 9 Largest number is: 12.0
Step-by-Step Breakdown
- 1Read two numbers from the user.
- 2Compare a and b using >.
- 3Print the larger number.
- 4If neither is greater, print that they are equal.
Understanding Find Largest of Two Numbers
We compare two numbers using relational operators:
> (greater than)if-elif-else to handle all three cases:a > bb > aThis is a foundational pattern for comparison-based problems.
Note: To write and run Python programs, you need to set up the local environment on your computer. Refer to the complete article Setting up Python Development Environment. If you do not want to set up the local environment on your computer, you can also use online IDE to write and run your Python programs.
Practical Learning Notes for Find Largest of Two Numbers
This Python program is part of the "Basic Python Programs" topic and is designed to help you build real problem-solving confidence, not just memorize syntax. Start by understanding the goal of the program in plain language, then trace the logic line by line with a custom input of your own. Once you can predict the output before running the code, your understanding becomes much stronger.
A reliable practice pattern is to run the original version first, then modify only one condition or variable at a time. Observe how that single change affects control flow and output. This deliberate style helps you understand loops, conditions, and data movement much faster than copying full solutions repeatedly.
For interview preparation, explain this solution in three layers: the high-level approach, the step-by-step execution, and the time-space tradeoff. If you can teach these three layers clearly, you are ready to solve close variations of this problem under time pressure.