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Python Program to Check Even Number
Photo Credit to CodeToFun
π Introduction
In the realm of programming, dealing with numbers is a fundamental task. One common requirement is checking whether a given number is even or not. An even number is an integer that is exactly divisible by 2 without leaving a remainder.
In this tutorial, we will explore a Python program designed to check whether a given number is even. The program involves using the modulo operator to determine if the number is divisible by 2.
π Example
Let's delve into the Python code that accomplishes this task.
# Function to check if a number is even
def is_even(number):
# If the remainder is zero, the number is even
return number % 2 == 0
# Driver program
if __name__ == "__main__":
# Replace this value with the number you want to check
number = 10
# Call the function to check if the number is even
if is_even(number):
print(f"{number} is an even number.")
else:
print(f"{number} is not an even number.")
π» Testing the Program
To test the program with different numbers, modify the value of number in the code.
10 is an even number.
π§ How the Program Works
- The program defines a function is_even that takes a number as input and returns True if the number is even, and False otherwise.
- Inside the if __name__ == "__main__": block, replace the value of number with the desired number you want to check.
- The program calls the is_even function and prints the result using print().
π Between the Given Range
Let's take a look at the Python code that performs the even number check and generates the output.
# Function to check if a number is even
def is_even(number):
return number % 2 == 0
# Generate a list of even numbers in the range 1 to 10
even_numbers = [str(num) for num in range(1, 11) if is_even(num)]
# Output the result
output = " ".join(even_numbers)
print(f"Even numbers in the range 1 to 10:\n{output}")
π» Testing the Program
Even numbers in the range 1 to 10: 2 4 6 8 10
Run the script to see the even numbers in the range from 1 to 10.
π§ How the Program Works
- The program defines a function is_even that takes a number as input and returns True if it's even, and False otherwise.
- It then uses a list comprehension to generate a list of even numbers in the range from 1 to 10.
- Finally, it formats and prints the output in the specified format.
π§ Understanding the Concept of Even Number
Before delving into the code, let's understand the concept of even numbers. An even number is an integer that is exactly divisible by 2.
In other words, when an even number is divided by 2, the remainder is zero.
π’ Optimizing the Program
While the provided program is straightforward, consider exploring and implementing alternative approaches or optimizations for checking even numbers.
Feel free to incorporate and modify this code as needed for your specific use case. Happy coding!
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