Simple sha256 for CTF

sha256.py

import hashlib
import sys

def hash_with_sha256(input_string):
    """Hashes the given input string using SHA-256 and returns the hexadecimal digest."""
    sha256_hash = hashlib.sha256(input_string.encode('utf-8')).hexdigest()
    return sha256_hash

if __name__ == "__main__":
    if len(sys.argv) != 2:
        print("Usage: python sha256.py <input_string>")
        sys.exit(1)
    
    input_string = sys.argv[1]
    print(hash_with_sha256(input_string))

call it with python3 ./sha256.py "yourthingtohash"