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Python Program to Check Odd Number

Posted in Python Tutorial
Updated on Oct 31, 2024
By Mari Selvan
πŸ‘οΈ 102 - Views
⏳ 4 mins
πŸ’¬ 1 Comment
Python Program to Check Odd Number

Photo Credit to CodeToFun

πŸ™‹ Introduction

In the realm of programming, dealing with numbers is a fundamental task. One common requirement is checking whether a given number is odd or not.

An odd number is an integer that is not exactly divisible by 2 and leaves a remainder of 1 when divided by 2.

In this tutorial, we will explore a Python program designed to check whether a given number is odd. The program involves using the modulo operator to determine if the number is not divisible by 2.

πŸ“„ Example

Let's delve into the Python code that accomplishes this task.

is_odd.py
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# Function to check if a number is odd
def is_odd(number):
    # If the remainder is 1, the number is odd
    return number % 2 != 0

# Driver program
if __name__ == "__main__":
    # Replace this value with the number you want to check
    number = 15

    # Call the function to check if the number is odd
    if is_odd(number):
        print(f"{number} is an odd number.")
    else:
        print(f"{number} is not an odd number.")

πŸ’» Testing the Program

To test the program with different numbers, modify the value of number in the code.

Output
15 is an odd number.

🧠 How the Program Works

  1. The program defines a function is_odd that takes a number as input and returns True if the number is odd, and False otherwise.
  2. Inside the if __name__ == "__main__": block, replace the value of number with the desired number you want to check.
  3. The program calls the is_odd function and prints the result using print().

πŸ“ Between the Given Range

Let's take a look at the python code that checks and displays odd numbers in the specified range.

checkOddNumbers.py
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# Function to check and display odd numbers in the range 1 to 10
def checkOddNumbers():
    odd_numbers = [num for num in range(1, 11) if num % 2 != 0]
    return odd_numbers

# Driver program
if __name__ == "__main__":
    # Call the function to check odd numbers
    odd_numbers = checkOddNumbers()

    # Print the result
    print("Odd Numbers in the range 1 to 10:")
    print(" ".join(map(str, odd_numbers)))

πŸ’» Testing the Program

Output
Odd Numbers in the range 1 to 10:
1 3 5 7 9

The range for this program is fixed from 1 to 10. To test the program, simply run it.

🧠 How the Program Works

  1. The program defines a function checkOddNumbers that uses list comprehension to generate a list of odd numbers in the range from 1 to 10.
  2. The main block calls this function and prints the odd numbers.

🧐 Understanding the Concept of Odd Number

Before delving into the code, let's understand the concept of odd numbers. An odd number is an integer that is not exactly divisible by 2. In other words, when an odd number is divided by 2, the remainder is 1.

🎒 Optimizing the Program

While the provided program is effective, consider exploring and implementing alternative approaches or optimizations for checking odd numbers.

Feel free to incorporate and modify this code as needed for your specific use case. Happy coding!

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Author

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πŸ‘‹ Hey, I'm Mari Selvan

For over eight years, I worked as a full-stack web developer. Now, I have chosen my profession as a full-time blogger at codetofun.com.

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Mari Selvan
Mari Selvan
10 months ago

If you have any doubts regarding this article (Python Program to Check Odd Number), please comment here. I will help you immediately.

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