human
lines that start with exactly 7 spaces are treated as comments.
assistant
Here is a Python function to line that starts with exactly 7 spaces and are treated as comments

import re

def __is_comment(line):
    """
    Return True if the line starts with exactly 7 spaces.
    """
    return len(line) > 0 and line[0] =='' and len(line) == 7

# Enter the string
string = "This is a comment"

# Calling the function
print((__is_comment(string)))

#Example Output
# False

#Remember to inspect code for bugs.