Program 14: Sum of Even Numbers from 1 to 100 - 1000+ Python Programs

Brainstroming the Problem

We need to find the sum of all even numbers between 1 and 100.

We can do this by iterating through all the numbers from 1 to 100, and adding the even numbers to a variable that stores the sum.

Pseudo code:

1. Initialize a variable to store the sum.

2. Iterate through all the numbers from 1 to 100.

3. If a number is even, add it to the sum variable.

4. After iterating through all numbers, return the sum.

Python Code

sum_of_even_from_1_to_100 = 0

for i in range(1, 101):
    if i % 2 == 0:
        sum_of_even_from_1_to_100 += i

print(f"Sum of all even numbers from 1 to 100 is: {sum_of_even_from_1_to_100}")

Output:

Sum of all even numbers from 1 to 100 is: 2550

Reference to Python documentation for methods used:

• range() function: https://docs.python.org/3/library/stdtypes.html#range
• % operator: https://docs.python.org/3/reference/expressions.html#binary-arithmetic-operations
• += operator: https://docs.python.org/3/reference/simple_stmts.html#augmented-assignment-statements
• print() function: https://docs.python.org/3/library/functions.html#print
• f-string: https://docs.python.org/3/reference/lexical_analysis.html#f-strings

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