input: Write a function to check if two given integers are equal. If they are equal, return True, otherwise return False.
  assert check_equality(10, 10) == True
  assert check_equality(5, 10) == False
  assert check_equality(0, 0) == True
  assert check_equality(-4, 4) == False
  assert check_equality(-5, -5) == True
output: def check_equality(a, b):
      return a == b