#!/usr/bin/env python3
import hashlib

def encode(text: str) -> str:
    """
    计算输入字符串的 SHA-256 哈希值
    
    Args:
        text: 输入字符串
    Returns:
        str: 十六进制格式的哈希值
    """
    return hashlib.sha256(text.encode('utf-8')).hexdigest()


if __name__ == "__main__":
    input_text = "1234567"
    encoded = encode(input_text)
    print(f"Encoded: {encoded}")