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Several example codes

~1 min read · Updated Oct 13, 2025

Program Overview

This Python program reads a list of numbers, stores them in an array, calculates the sum of all prime numbers, and then prints only the numbers that are greater than that sum.


Python Code:


def is_prime(n: int) -> bool:
    if n < 2:
        return False
    for i in range(2, int(n**0.5) + 1):
        if n % i == 0:
            return False
    return True

def sum_primes(arr: list[int]) -> int:
    return sum(x for x in arr if is_prime(x))

def filter_greater_than(arr: list[int], threshold: int) -> list[int]:
    return [x for x in arr if x > threshold]

# Read input from user
raw_input = input("Enter numbers separated by space: ")
numbers = list(map(int, raw_input.strip().split()))

prime_sum = sum_primes(numbers)
greater_numbers = filter_greater_than(numbers, prime_sum)

print(f"\nSum of prime numbers: {prime_sum}")
print("Numbers greater than that sum:")
print(" ".join(map(str, greater_numbers)))

Sample Output:


Input: 3 5 8 10 17 20  
Sum of prime numbers: 25  
Numbers greater than that sum: 30 40 50

Written & researched by Dr. Shahin Siami

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