Human: Python function to compare a float to the third decimal place. Assistant: 
Here is a Python function to compare a float to the third decimal place

import math

def compare(x, y):
    """
    Compare a float to the third decimal place.
    """
    if x == y:
        return 0
    elif x > y:
        return 1
    else:
        return -1

# Enter the two numbers
x = 1.23456789
y = 1.23456787

# Calling the function
print((compare(x, y)))

#Example Output
# 1

#Remember to inspect code for bugs.