





'''simple docstring'''

import math
from collections.abc import Callable





def 						UpperCamelCase    (							_lowerCamelCase : Callable[[float], float]						,	_lowerCamelCase : float						,	_lowerCamelCase : float	):
				A__    =      xa
				A__    =      xa
				while True:
								if x_n == x_na or function(_lowerCamelCase	) == function(_lowerCamelCase	):
												raise ZeroDivisionError("float division by zero, could not find root"	)
								A__    =      x_na - (
								    function(_lowerCamelCase	) / ((function(_lowerCamelCase	) - function(_lowerCamelCase	)) / (x_na - x_n))
								)
								if abs(x_na - x_na	) < 10**-5:
												return x_na
								A__    =      x_na
								A__    =      x_na





def 						UpperCamelCase    (							_lowerCamelCase : float	):
				return math.pow(_lowerCamelCase						,	3	) - (2 * x) - 5


if __name__ == "__main__":
		print(intersection(f, 3, 3.5))










'''simple docstring'''

def 						UpperCamelCase    (							_lowerCamelCase : int = 1_00_00_00	):
    A__    =      set(range(3						,	_lowerCamelCase						,	2	)	)
    primes.add(2	)
    for p in range(3						,	_lowerCamelCase						,	2	):
        if p not in primes:
            continue
        primes.difference_update(set(range(p * p						,	_lowerCamelCase						,	_lowerCamelCase	)	)	)

    A__    =      [float(_lowerCamelCase	) for n in range(limit + 1	)]

    for p in primes:
        for n in range(_lowerCamelCase						,	limit + 1						,	_lowerCamelCase	):
            phi[n] *= 1 - 1 / p

    return int(sum(phi[2:]	)	)


if __name__ == "__main__":
  print(f"""{solution() = }""")



