<human>:  Python function to compare a float to the third decimal place.
<bot>: 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.