#!/usr/bin/python

# A number stored as a string
my_number="123"

try:
  # Attempt to convert to an integer
  my_number = int(my_number)
  print("my_number successfully converted to an integer.")
except:
  # If there is an error, display a message and exit
  print("my_number is NOT an integer!")
  exit(1)

# Store a string
my_number2="nope"

try:
  # Attempt to convert to an integer
  my_number2 = int(my_number2)
  print("my_number2 successfully converted to an integer.")
except:
  # If there is an error, display a message and exit
  print("my_number2 is NOT an integer!")
  exit(1)