Python Program to Calculate Sum of Even Numbers

Write a Python Program to Calculate the Sum of Even Numbers from 1 to N using the While Loop and For Loop with an example.

Python Program to Calculate Sum of Even Numbers from 1 to N using For Loop

This Python program allows the user to enter the maximum limit value. Next, it is going to calculate the sum of even numbers from 1 to that user-entered value.

In this example, we are using Python For Loop to keep the number between 1 and the maximum value.

TIP: I suggest you refer to the Python Even Numbers from 1 to N article to understand the logic behind printing Even numbers in Python.

# Calculate Sum of Even Numbers from 1 to N
 
maximum = int(input(" Please Enter the Maximum Value : "))
total = 0

for number in range(1, maximum+1):
    if(number % 2 == 0):
        print("{0}".format(number))
        total = total + number

print("The Sum of Even Numbers from 1 to {0} = {1}".format(number, total))

The sum of even numbers output

 Please Enter the Maximum Value : 15
2
4
6
8
10
12
14
The Sum of Even Numbers from 1 to 15 = 56

Python Program to Calculate Sum of Even Numbers from 1 to N without If Statement

This sum of even numbers example program is the same as above. But we altered the Python For Loop to remove If block.

# Calculate Sum of Even Numbers from 1 to N
 
maximum = int(input(" Please Enter the Maximum Value : "))
total = 0

for number in range(2, maximum + 1, 2):
    print("{0}".format(number))
    total = total + number

print("The Sum of Even Numbers from 1 to {0} = {1}".format(number, total))

The sum of even numbers using a for loop output

 Please Enter the Maximum Value : 12
2
4
6
8
10
12
The Sum of Even Numbers from 1 to 12 = 42

Program to find the Sum of Even Numbers using While Loop

In this sum of even numbers example, we replaced the For Loop with While Loop.

# Calculate Sum of Even Numbers from 1 to N
 
maximum = int(input(" Please Enter the Maximum Value : "))
total = 0
number = 1
 
while number <= maximum:
    if(number % 2 == 0):
        print("{0}".format(number))
        total = total + number
    number = number + 1

print("The Sum of Even Numbers from 1 to N = {0}".format(total))

Python sum of even numbers using a while loop output

 Please Enter the Maximum Value : 20
2
4
6
8
10
12
14
16
18
20
The Sum of Even Numbers from 1 to N = 110

Program to find the Sum of Even Numbers from 1 to 100

This Python program allows users to enter Minimum and maximum values. Next, it calculates the sum of even numbers from the Minimum to the maximum value.

# Calculate Sum of Even Numbers from 1 to 100

minimum = int(input(" Please Enter the Minimum Value : "))
maximum = int(input(" Please Enter the Maximum Value : "))
total = 0

for number in range(minimum, maximum+1):
    if(number % 2 == 0):
        print("{0}".format(number))
        total = total + number

print("The Sum of Even Numbers from {0} to {1} = {2}".format(minimum, number, total))
Python Program to Calculate Sum of Even Numbers from 1 to N