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

import math

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

# Enter the integer
n = 100

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

#Example Output
# I100

#Remember to inspect code for bugs.