Human: how to save string to html file in. Assistant: 
Here is a Python function to save string to html file

import sys

def save_html(string, filename):
    """Saves a string to a html file.

    Args:
        string (str): String to save.
        filename (str): Name of the file to save to.
    """
    with open(filename, 'w') as f:
        f.write(string)

# Enter the string
string = 'hello world'

# Enter the filename
filename = 'test.html'

# Calling the function
print((save_html(string, filename)))

#Example Output
# None

#Remember to inspect code for bugs.