def 	__SCREAMING_SNAKE_CASE  (					__UpperCamelCase    :       int	)							->					int:







  """simple docstring"""





  assert (
      isinstance(__UpperCamelCase ,     __UpperCamelCase	) and number_of_steps > 0
  ), f"""number_of_steps needs to be positive integer, your input {number_of_steps}"""
  if number_of_steps == 1:
    return 1
  SCREAMING_SNAKE_CASE__							,     SCREAMING_SNAKE_CASE__										=      1, 1
  for _ in range(number_of_steps - 1	):
    SCREAMING_SNAKE_CASE__							,     SCREAMING_SNAKE_CASE__										=      current + previous, current
  return current


if __name__ == "__main__":
   import doctest

   doctest.testmod()

def 	__SCREAMING_SNAKE_CASE  (					__UpperCamelCase    :       int ,     __UpperCamelCase    :       int	)							->					str:







  """simple docstring"""





  if a < 0 or b < 0:
    raise ValueError("""the value of both inputs must be positive"""	)

  SCREAMING_SNAKE_CASE__										=      str(bin(__UpperCamelCase	)	)[2:]  # remove the leading "0b"
  SCREAMING_SNAKE_CASE__										=      str(bin(__UpperCamelCase	)	)[2:]  # remove the leading "0b"

  SCREAMING_SNAKE_CASE__										=      max(len(__UpperCamelCase	) ,     len(__UpperCamelCase	)	)

  return "0b" + "".join(
      str(int(char_a != char_b	)	)
      for char_a, char_b in zip(a_binary.zfill(__UpperCamelCase	) ,     b_binary.zfill(__UpperCamelCase	)	)	)


if __name__ == "__main__":
   import doctest

   doctest.testmod()
