
'''simple docstring'''
def   UpperCamelCase_       (		__SCREAMING_SNAKE_CASE    ):
    """simple docstring"""






    snake_case_	:      int            =  []
    snake_case_	:      int            =  1

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

    return encoded

def   UpperCamelCase_       (		__SCREAMING_SNAKE_CASE    ):
    """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)






'''simple docstring'''
from math import exp

def   UpperCamelCase_       (		__SCREAMING_SNAKE_CASE    ):
    """simple docstring"""






    return 8 * x - 2 * exp(-x    )

def   UpperCamelCase_       (		__SCREAMING_SNAKE_CASE,						__SCREAMING_SNAKE_CASE,						__SCREAMING_SNAKE_CASE    ):
    """simple docstring"""






    snake_case_	:      Optional[Any]            =  lower_bound
    snake_case_	:      int            =  upper_bound
    for _ in range(0,						__SCREAMING_SNAKE_CASE    ):
        snake_case_     ,	snake_case_	:      List[str]            =  xa, xa - (f(__SCREAMING_SNAKE_CASE    ) * (xa - xa)) / (f(__SCREAMING_SNAKE_CASE    ) - f(__SCREAMING_SNAKE_CASE    ))
    return xa


if __name__ == "__main__":
  print(f"""Example: {secant_method(1, 3, 2)}""")




