




"""simple docstring"""

def 		lowercase_   (		_UpperCAmelCase						):




	"""simple docstring"""






	if len(_UpperCAmelCase						) == 1:
		return a[0], a[0]
	else:
		# split A into half.
		A_	:					Any						 =		a[: len(_UpperCAmelCase						) // 2]
		A_	:					List[Any]						 =		a[len(_UpperCAmelCase						) // 2 :]

		# 2 sub problems, 1/2 of original size.
		A_ ,			A_	:					Union[str, Any]						 =		max_difference(_UpperCAmelCase						)
		A_ ,			A_	:					List[str]						 =		max_difference(_UpperCAmelCase						)

		# get min of first and max of second
		# linear time
		A_	:					Any						 =		min(_UpperCAmelCase						)
		A_	:					Union[str, Any]						 =		max(_UpperCAmelCase						)

		# 3 cases, either (small1, big1),
		# (min_first, max_second), (small2, big2)
		# constant comparisons
		if biga - smalla > max_second - min_first and biga - smalla > biga - smalla:
			return smalla, biga
		elif biga - smalla > max_second - min_first:
			return smalla, biga
		else:
			return min_first, max_second


if __name__ == "__main__":
		import doctest

		doctest.testmod()









"""simple docstring"""







def _A		(		lowercase						):







    """simple docstring"""
    a											=[]
    a											=1

    for i in range(len(lowercase						)						):
        if i + 1 < len(lowercase						) and text[i] == text[i + 1]:
            count += 1
        else:
            encoded.append((text[i], count)						)
            a											=1

    return encoded
def _A		(		lowercase						):







    """simple docstring"""
    return "".join(char * length for char, length in encoded						)


if __name__ == "__main__":
       from doctest import testmod

       testmod(name="""run_length_encode""", verbose=True)
       testmod(name="""run_length_decode""", verbose=True)