RosettaCode- Middle three digits created by tapicella - https://repl.it/IBVw/5

RosettaCode- Middle three digits.py

'''
Write a function/procedure/subroutine that is called with an integer value and returns the middle three digits of the integer if possible or a clear indication of an error if this is not possible.

Note: The order of the middle digits should be preserved.

Your function should be tested with the following values; the first line should return valid answers, those of the second line should return clear indications of an error:

123, 12345, 1234567, 987654321, 10001, -10001, -123, -100, 100, -12345
1, 2, -1, -10, 2002, -2002, 0

Show your output on this page. 
'''

def middlethree(myint):
  mystr = str(abs(myint))
  if len(mystr)%2 == 0 or len(mystr)<3:
    return "Cannot get middle three digits"
  else:
    midpoint = len(mystr)//2 
    return mystr[midpoint-1:midpoint+2]
    
    
print(middlethree(10111))