Next
1. Check if Number is Positive, Negative, or Zero2. Check if a Number is Even or Odd3. Check if a Number is Divisible by 54. Check if Divisible by Both 3 and 55. Check if a Given Year is a Leap Year6. Take Two Numbers and Print the Larger One7. Take Three Numbers and Print the Largest8. Temperature Range Check9. Check if Character is Vowel or Consonant10. Check Character Type

Check if a Number is Even or Odd

Check if a number is even or odd using modulo operator.

BeginnerPhase 1 - Level 1: Simple ConditionsExample 2 of 10
check-if-a-number-is-even-or-odd.py
1# Take a number as input
2num = int(input("Enter a number: "))
3

4# Check if even or odd
5if num % 2 == 0:
6    print("Even")
7else:
8    print("Odd")

Output

Enter a number: 8
Even

Enter a number: 7
Odd

What's going on

The modulo operator (%) returns the remainder after division.

Key Concepts:

num % 2 gives remainder when num is divided by 2
If remainder is 0, number is even
If remainder is 1, number is odd

Logic:

Even numbers: 0, 2, 4, 6, 8, 10, ...
Odd numbers: 1, 3, 5, 7, 9, 11, ...

🔗Related Content

PreviousCheck if Number is Positive, Negative, or ZeroNextCheck if a Number is Divisible by 5