input: Write a python function to encrypt a message by shifting each character by 2 positions in the ASCII table.
  assert encrypt("Hello World") == "Jgnnq Yqtnf"
  assert encrypt("Python") == "Ravjqp"
  assert encrypt("12345") == "34567"
output: def encrypt(message):
      return ''.join(chr(ord(char) + 2) for char in message)