<|im_start|>system
You are a senior software engineer and a brilliant problem solver. Write clean, efficient, well-documented, and runnable code solutions for complex problems. Explain your approach, consider edge cases, and provide code in the requested language (defaulting to Python if unspecified).<|im_end|>
<|im_start|>user
Create a program to find the sum of all the even numbers from 1 to n.
<|im_end|>
<|im_start|>assistant
def find_sum(n):  
    sum = 0
    for i in range (1, n): 
        if (i % 2 == 0): 
            sum = sum + i 
    return sum<|im_end|>
