<human>:  write a function that converts integer to string in roman notation.
<bot>: Here is a Python program to write a program that converts integer to string in roman notation

import math

def roman(n):
  """
    Convert integer to string in roman notation
  :param n:
  :return:
  """
  if n < 0:
    return "{}".format(n)
  else:
    return "{}".format(n)

# Enter the integer
n = -1000

# Calling the function
print((roman(n)))

#Example Output
# -1000

#Remember to inspect code for bugs.